28860468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 88542720

約数和(自身を除く): 59682252

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 107, 114, 133, 156, 169, 182, 214, 228, 247, 266, 273, 321, 338, 364, 399, 428, 494, 507, 532, 546, 642, 676, 741, 749, 798, 988, 1014, 1092, 1183, 1284, 1391, 1482, 1498, 1596, 1729, 2028, 2033, 2247, 2366, 2782, 2964, 2996, 3211, 3458, 3549, 4066, 4173, 4494, 4732, 5187, 5564, 6099, 6422, 6916, 7098, 8132, 8346, 8988, 9633, 9737, 10374, 12198, 12844, 14196, 14231, 16692, 18083, 19266, 19474, 20748, 22477, 24396, 26429, 28462, 29211, 36166, 38532, 38948, 42693, 44954, 52858, 54249, 56924, 58422, 67431, 72332, 79287, 85386, 89908, 105716, 108498, 116844, 126581, 134862, 158574, 170772, 185003, 216996, 253162, 269724, 317148, 343577, 370006, 379743, 506324, 555009, 687154, 740012, 759486, 1030731, 1110018, 1374308, 1518972, 2061462, 2220036, 2405039, 4122924, 4810078, 7215117, 9620156, 14430234, 28860468]

約数ペア:

[(1, 28860468), (2, 14430234), (3, 9620156), (4, 7215117), (6, 4810078), (7, 4122924), (12, 2405039), (13, 2220036), (14, 2061462), (19, 1518972), (21, 1374308), (26, 1110018), (28, 1030731), (38, 759486), (39, 740012), (42, 687154), (52, 555009), (57, 506324), (76, 379743), (78, 370006), (84, 343577), (91, 317148), (107, 269724), (114, 253162), (133, 216996), (156, 185003), (169, 170772), (182, 158574), (214, 134862), (228, 126581), (247, 116844), (266, 108498), (273, 105716), (321, 89908), (338, 85386), (364, 79287), (399, 72332), (428, 67431), (494, 58422), (507, 56924), (532, 54249), (546, 52858), (642, 44954), (676, 42693), (741, 38948), (749, 38532), (798, 36166), (988, 29211), (1014, 28462), (1092, 26429), (1183, 24396), (1284, 22477), (1391, 20748), (1482, 19474), (1498, 19266), (1596, 18083), (1729, 16692), (2028, 14231), (2033, 14196), (2247, 12844), (2366, 12198), (2782, 10374), (2964, 9737), (2996, 9633), (3211, 8988), (3458, 8346), (3549, 8132), (4066, 7098), (4173, 6916), (4494, 6422), (4732, 6099), (5187, 5564)]