2553155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 3401568

約数和(自身を除く): 848413

約数列:

[1, 5, 11, 55, 61, 305, 671, 761, 3355, 3805, 8371, 41855, 46421, 232105, 510631, 2553155]

約数ペア:

[(1, 2553155), (5, 510631), (11, 232105), (55, 46421), (61, 41855), (305, 8371), (671, 3805), (761, 3355)]