12497375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 17409600

約数和(自身を除く): 4912225

約数列:

[1, 5, 11, 25, 55, 61, 125, 149, 275, 305, 671, 745, 1375, 1525, 1639, 3355, 3725, 7625, 8195, 9089, 16775, 18625, 40975, 45445, 83875, 99979, 204875, 227225, 499895, 1136125, 2499475, 12497375]

約数ペア:

[(1, 12497375), (5, 2499475), (11, 1136125), (25, 499895), (55, 227225), (61, 204875), (125, 99979), (149, 83875), (275, 45445), (305, 40975), (671, 18625), (745, 16775), (1375, 9089), (1525, 8195), (1639, 7625), (3355, 3725)]