64271221

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2311}}^1$

素因数の和:2484

約数の個数: 16

約数和(自身を含む): 76573440

約数和(自身を除く): 12302219

約数列:

[1, 7, 29, 137, 203, 959, 2311, 3973, 16177, 27811, 67019, 316607, 469133, 2216249, 9181603, 64271221]

約数ペア:

[(1, 64271221), (7, 9181603), (29, 2216249), (137, 469133), (203, 316607), (959, 67019), (2311, 27811), (3973, 16177)]