199354428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 648001536

約数和(自身を除く): 448647108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 151, 156, 169, 182, 186, 217, 234, 252, 273, 279, 302, 338, 364, 372, 403, 434, 453, 468, 507, 546, 558, 604, 651, 676, 806, 819, 868, 906, 1014, 1057, 1092, 1116, 1183, 1209, 1302, 1359, 1521, 1612, 1638, 1812, 1953, 1963, 2028, 2114, 2366, 2418, 2604, 2718, 2821, 3042, 3171, 3276, 3549, 3627, 3906, 3926, 4228, 4681, 4732, 4836, 5239, 5436, 5642, 5889, 6084, 6342, 7098, 7254, 7812, 7852, 8463, 9362, 9513, 10478, 10647, 11284, 11778, 12684, 13741, 14043, 14196, 14508, 15717, 16926, 17667, 18724, 19026, 20956, 21294, 23556, 25389, 25519, 27482, 28086, 31434, 32767, 33852, 35334, 36673, 38052, 41223, 42129, 42588, 47151, 50778, 51038, 54964, 56172, 60853, 62868, 65534, 70668, 73346, 76557, 82446, 84258, 94302, 98301, 101556, 102076, 110019, 121706, 123669, 131068, 146692, 153114, 164892, 168516, 178633, 182559, 188604, 196602, 220038, 229671, 243412, 247338, 294903, 306228, 330057, 357266, 365118, 393204, 425971, 440076, 459342, 494676, 535899, 547677, 589806, 660114, 714532, 730236, 791089, 851942, 918684, 1071798, 1095354, 1179612, 1277913, 1320228, 1582178, 1607697, 1703884, 2143596, 2190708, 2373267, 2555826, 3164356, 3215394, 3833739, 4746534, 5111652, 5537623, 6430788, 7119801, 7667478, 9493068, 11075246, 14239602, 15334956, 16612869, 22150492, 28479204, 33225738, 49838607, 66451476, 99677214, 199354428]

約数ペア:

[(1, 199354428), (2, 99677214), (3, 66451476), (4, 49838607), (6, 33225738), (7, 28479204), (9, 22150492), (12, 16612869), (13, 15334956), (14, 14239602), (18, 11075246), (21, 9493068), (26, 7667478), (28, 7119801), (31, 6430788), (36, 5537623), (39, 5111652), (42, 4746534), (52, 3833739), (62, 3215394), (63, 3164356), (78, 2555826), (84, 2373267), (91, 2190708), (93, 2143596), (117, 1703884), (124, 1607697), (126, 1582178), (151, 1320228), (156, 1277913), (169, 1179612), (182, 1095354), (186, 1071798), (217, 918684), (234, 851942), (252, 791089), (273, 730236), (279, 714532), (302, 660114), (338, 589806), (364, 547677), (372, 535899), (403, 494676), (434, 459342), (453, 440076), (468, 425971), (507, 393204), (546, 365118), (558, 357266), (604, 330057), (651, 306228), (676, 294903), (806, 247338), (819, 243412), (868, 229671), (906, 220038), (1014, 196602), (1057, 188604), (1092, 182559), (1116, 178633), (1183, 168516), (1209, 164892), (1302, 153114), (1359, 146692), (1521, 131068), (1612, 123669), (1638, 121706), (1812, 110019), (1953, 102076), (1963, 101556), (2028, 98301), (2114, 94302), (2366, 84258), (2418, 82446), (2604, 76557), (2718, 73346), (2821, 70668), (3042, 65534), (3171, 62868), (3276, 60853), (3549, 56172), (3627, 54964), (3906, 51038), (3926, 50778), (4228, 47151), (4681, 42588), (4732, 42129), (4836, 41223), (5239, 38052), (5436, 36673), (5642, 35334), (5889, 33852), (6084, 32767), (6342, 31434), (7098, 28086), (7254, 27482), (7812, 25519), (7852, 25389), (8463, 23556), (9362, 21294), (9513, 20956), (10478, 19026), (10647, 18724), (11284, 17667), (11778, 16926), (12684, 15717), (13741, 14508), (14043, 14196)]