78870078

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1523}}^1$

素因数の和:1678

約数の個数: 64

約数和(自身を含む): 201899520

約数和(自身を除く): 123029442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 137, 189, 274, 378, 411, 822, 959, 1233, 1523, 1918, 2466, 2877, 3046, 3699, 4569, 5754, 7398, 8631, 9138, 10661, 13707, 17262, 21322, 25893, 27414, 31983, 41121, 51786, 63966, 82242, 95949, 191898, 208651, 287847, 417302, 575694, 625953, 1251906, 1460557, 1877859, 2921114, 3755718, 4381671, 5633577, 8763342, 11267154, 13145013, 26290026, 39435039, 78870078]

約数ペア:

[(1, 78870078), (2, 39435039), (3, 26290026), (6, 13145013), (7, 11267154), (9, 8763342), (14, 5633577), (18, 4381671), (21, 3755718), (27, 2921114), (42, 1877859), (54, 1460557), (63, 1251906), (126, 625953), (137, 575694), (189, 417302), (274, 287847), (378, 208651), (411, 191898), (822, 95949), (959, 82242), (1233, 63966), (1523, 51786), (1918, 41121), (2466, 31983), (2877, 27414), (3046, 25893), (3699, 21322), (4569, 17262), (5754, 13707), (7398, 10661), (8631, 9138)]