25219415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 35743680

約数和(自身を除く): 10524265

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 787, 1105, 1885, 2465, 3935, 6409, 10231, 13379, 22823, 32045, 51155, 66895, 114115, 173927, 296699, 387991, 869635, 1483495, 1939955, 5043883, 25219415]

約数ペア:

[(1, 25219415), (5, 5043883), (13, 1939955), (17, 1483495), (29, 869635), (65, 387991), (85, 296699), (145, 173927), (221, 114115), (377, 66895), (493, 51155), (787, 32045), (1105, 22823), (1885, 13379), (2465, 10231), (3935, 6409)]