8731775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 11863824

約数和(自身を除く): 3132049

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 401, 871, 1675, 2005, 4355, 5213, 10025, 21775, 26065, 26867, 130325, 134335, 349271, 671675, 1746355, 8731775]

約数ペア:

[(1, 8731775), (5, 1746355), (13, 671675), (25, 349271), (65, 134335), (67, 130325), (325, 26867), (335, 26065), (401, 21775), (871, 10025), (1675, 5213), (2005, 4355)]