28889575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8081}}^1$

素因数の和:8115

約数の個数: 24

約数和(自身を含む): 42091056

約数和(自身を除く): 13201481

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 8081, 40405, 88891, 105053, 202025, 444455, 525265, 1155583, 2222275, 2626325, 5777915, 28889575]

約数ペア:

[(1, 28889575), (5, 5777915), (11, 2626325), (13, 2222275), (25, 1155583), (55, 525265), (65, 444455), (143, 202025), (275, 105053), (325, 88891), (715, 40405), (3575, 8081)]