28218168

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 87141600

約数和(自身を除く): 58923432

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 41, 44, 66, 72, 79, 82, 88, 99, 121, 123, 132, 158, 164, 198, 237, 242, 246, 264, 316, 328, 363, 369, 396, 451, 474, 484, 492, 632, 711, 726, 738, 792, 869, 902, 948, 968, 984, 1089, 1353, 1422, 1452, 1476, 1738, 1804, 1896, 2178, 2607, 2706, 2844, 2904, 2952, 3239, 3476, 3608, 4059, 4356, 4961, 5214, 5412, 5688, 6478, 6952, 7821, 8118, 8712, 9559, 9717, 9922, 10428, 10824, 12956, 14883, 15642, 16236, 19118, 19434, 19844, 20856, 25912, 28677, 29151, 29766, 31284, 32472, 35629, 38236, 38868, 39688, 44649, 57354, 58302, 59532, 62568, 71258, 76472, 77736, 86031, 89298, 106887, 114708, 116604, 119064, 142516, 172062, 178596, 213774, 229416, 233208, 285032, 320661, 344124, 357192, 391919, 427548, 641322, 688248, 783838, 855096, 1175757, 1282644, 1567676, 2351514, 2565288, 3135352, 3527271, 4703028, 7054542, 9406056, 14109084, 28218168]

約数ペア:

[(1, 28218168), (2, 14109084), (3, 9406056), (4, 7054542), (6, 4703028), (8, 3527271), (9, 3135352), (11, 2565288), (12, 2351514), (18, 1567676), (22, 1282644), (24, 1175757), (33, 855096), (36, 783838), (41, 688248), (44, 641322), (66, 427548), (72, 391919), (79, 357192), (82, 344124), (88, 320661), (99, 285032), (121, 233208), (123, 229416), (132, 213774), (158, 178596), (164, 172062), (198, 142516), (237, 119064), (242, 116604), (246, 114708), (264, 106887), (316, 89298), (328, 86031), (363, 77736), (369, 76472), (396, 71258), (451, 62568), (474, 59532), (484, 58302), (492, 57354), (632, 44649), (711, 39688), (726, 38868), (738, 38236), (792, 35629), (869, 32472), (902, 31284), (948, 29766), (968, 29151), (984, 28677), (1089, 25912), (1353, 20856), (1422, 19844), (1452, 19434), (1476, 19118), (1738, 16236), (1804, 15642), (1896, 14883), (2178, 12956), (2607, 10824), (2706, 10428), (2844, 9922), (2904, 9717), (2952, 9559), (3239, 8712), (3476, 8118), (3608, 7821), (4059, 6952), (4356, 6478), (4961, 5688), (5214, 5412)]