668475444

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:116

約数の個数: 216

約数和(自身を含む): 2035252800

約数和(自身を除く): 1366777356

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 49, 52, 62, 78, 84, 91, 93, 98, 124, 147, 156, 169, 182, 186, 196, 217, 273, 294, 338, 343, 364, 372, 403, 434, 507, 546, 588, 637, 651, 676, 686, 806, 868, 961, 1014, 1029, 1092, 1183, 1209, 1274, 1302, 1372, 1519, 1612, 1911, 1922, 2028, 2058, 2366, 2418, 2548, 2604, 2821, 2883, 3038, 3549, 3822, 3844, 4116, 4459, 4557, 4732, 4836, 5239, 5642, 5766, 6076, 6727, 7098, 7644, 8281, 8463, 8918, 9114, 10478, 10633, 11284, 11532, 12493, 13377, 13454, 14196, 15717, 16562, 16926, 17836, 18228, 19747, 20181, 20956, 21266, 24843, 24986, 26754, 26908, 31434, 31899, 33124, 33852, 36673, 37479, 39494, 40362, 42532, 47089, 49686, 49972, 53508, 57967, 59241, 62868, 63798, 73346, 74958, 78988, 80724, 87451, 94178, 99372, 110019, 115934, 118482, 127596, 138229, 141267, 146692, 149916, 162409, 173901, 174902, 188356, 220038, 231868, 236964, 256711, 262353, 276458, 282534, 324818, 329623, 347802, 349804, 414687, 440076, 487227, 513422, 524706, 552916, 565068, 612157, 649636, 659246, 695604, 770133, 829374, 974454, 988869, 1026844, 1049412, 1136863, 1224314, 1318492, 1540266, 1658748, 1796977, 1836471, 1948908, 1977738, 2273726, 2448628, 3080532, 3410589, 3593954, 3672942, 3955476, 4285099, 4547452, 5390931, 6821178, 7187908, 7345884, 7958041, 8570198, 10781862, 12855297, 13642356, 15916082, 17140396, 21563724, 23874123, 25710594, 31832164, 47748246, 51421188, 55706287, 95496492, 111412574, 167118861, 222825148, 334237722, 668475444]

約数ペア:

[(1, 668475444), (2, 334237722), (3, 222825148), (4, 167118861), (6, 111412574), (7, 95496492), (12, 55706287), (13, 51421188), (14, 47748246), (21, 31832164), (26, 25710594), (28, 23874123), (31, 21563724), (39, 17140396), (42, 15916082), (49, 13642356), (52, 12855297), (62, 10781862), (78, 8570198), (84, 7958041), (91, 7345884), (93, 7187908), (98, 6821178), (124, 5390931), (147, 4547452), (156, 4285099), (169, 3955476), (182, 3672942), (186, 3593954), (196, 3410589), (217, 3080532), (273, 2448628), (294, 2273726), (338, 1977738), (343, 1948908), (364, 1836471), (372, 1796977), (403, 1658748), (434, 1540266), (507, 1318492), (546, 1224314), (588, 1136863), (637, 1049412), (651, 1026844), (676, 988869), (686, 974454), (806, 829374), (868, 770133), (961, 695604), (1014, 659246), (1029, 649636), (1092, 612157), (1183, 565068), (1209, 552916), (1274, 524706), (1302, 513422), (1372, 487227), (1519, 440076), (1612, 414687), (1911, 349804), (1922, 347802), (2028, 329623), (2058, 324818), (2366, 282534), (2418, 276458), (2548, 262353), (2604, 256711), (2821, 236964), (2883, 231868), (3038, 220038), (3549, 188356), (3822, 174902), (3844, 173901), (4116, 162409), (4459, 149916), (4557, 146692), (4732, 141267), (4836, 138229), (5239, 127596), (5642, 118482), (5766, 115934), (6076, 110019), (6727, 99372), (7098, 94178), (7644, 87451), (8281, 80724), (8463, 78988), (8918, 74958), (9114, 73346), (10478, 63798), (10633, 62868), (11284, 59241), (11532, 57967), (12493, 53508), (13377, 49972), (13454, 49686), (14196, 47089), (15717, 42532), (16562, 40362), (16926, 39494), (17836, 37479), (18228, 36673), (19747, 33852), (20181, 33124), (20956, 31899), (21266, 31434), (24843, 26908), (24986, 26754)]