7889245

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2477}}^1$

素因数の和:2509

約数の個数: 24

約数和(自身を含む): 11864664

約数和(自身を除く): 3975419

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 2477, 3185, 12385, 17339, 32201, 86695, 121373, 161005, 225407, 606865, 1127035, 1577849, 7889245]

約数ペア:

[(1, 7889245), (5, 1577849), (7, 1127035), (13, 606865), (35, 225407), (49, 161005), (65, 121373), (91, 86695), (245, 32201), (455, 17339), (637, 12385), (2477, 3185)]