12681625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 18061056

約数和(自身を除く): 5379431

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 401, 575, 1265, 1375, 2005, 2875, 4411, 6325, 9223, 10025, 22055, 31625, 46115, 50125, 101453, 110275, 230575, 507265, 551375, 1152875, 2536325, 12681625]

約数ペア:

[(1, 12681625), (5, 2536325), (11, 1152875), (23, 551375), (25, 507265), (55, 230575), (115, 110275), (125, 101453), (253, 50125), (275, 46115), (401, 31625), (575, 22055), (1265, 10025), (1375, 9223), (2005, 6325), (2875, 4411)]