64520005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{19231}}^1$

素因数の和:19308

約数の個数: 16

約数和(自身を含む): 85851648

約数和(自身を除く): 21331643

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 19231, 96155, 211541, 1057705, 1173091, 5865455, 12904001, 64520005]

約数ペア:

[(1, 64520005), (5, 12904001), (11, 5865455), (55, 1173091), (61, 1057705), (305, 211541), (671, 96155), (3355, 19231)]