7129375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 40

約数和(自身を含む): 10459152

約数和(自身を除く): 3329777

約数列:

[1, 5, 11, 17, 25, 55, 61, 85, 125, 187, 275, 305, 425, 625, 671, 935, 1037, 1375, 1525, 2125, 3355, 4675, 5185, 6875, 7625, 10625, 11407, 16775, 23375, 25925, 38125, 57035, 83875, 116875, 129625, 285175, 419375, 648125, 1425875, 7129375]

約数ペア:

[(1, 7129375), (5, 1425875), (11, 648125), (17, 419375), (25, 285175), (55, 129625), (61, 116875), (85, 83875), (125, 57035), (187, 38125), (275, 25925), (305, 23375), (425, 16775), (625, 11407), (671, 10625), (935, 7625), (1037, 6875), (1375, 5185), (1525, 4675), (2125, 3355)]