28918175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8089}}^1$

素因数の和:8123

約数の個数: 24

約数和(自身を含む): 42132720

約数和(自身を除く): 13214545

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 8089, 40445, 88979, 105157, 202225, 444895, 525785, 1156727, 2224475, 2628925, 5783635, 28918175]

約数ペア:

[(1, 28918175), (5, 5783635), (11, 2628925), (13, 2224475), (25, 1156727), (55, 525785), (65, 444895), (143, 202225), (275, 105157), (325, 88979), (715, 40445), (3575, 8089)]