251649385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{7853}}^1$

素因数の和:7917

約数の個数: 32

約数和(自身を含む): 356257440

約数和(自身を除く): 104608055

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 2465, 6409, 7853, 32045, 39265, 102089, 133501, 227737, 510445, 667505, 1138685, 1735513, 2960581, 3871529, 8677565, 14802905, 19357645, 50329877, 251649385]

約数ペア:

[(1, 251649385), (5, 50329877), (13, 19357645), (17, 14802905), (29, 8677565), (65, 3871529), (85, 2960581), (145, 1735513), (221, 1138685), (377, 667505), (493, 510445), (1105, 227737), (1885, 133501), (2465, 102089), (6409, 39265), (7853, 32045)]