1251415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 1669536

約数和(自身を除く): 418121

約数列:

[1, 5, 11, 55, 61, 305, 373, 671, 1865, 3355, 4103, 20515, 22753, 113765, 250283, 1251415]

約数ペア:

[(1, 1251415), (5, 250283), (11, 113765), (55, 22753), (61, 20515), (305, 4103), (373, 3355), (671, 1865)]