64709491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4643}}^1$

素因数の和:4842

約数の個数: 16

約数和(自身を含む): 81139968

約数和(自身を除く): 16430477

約数列:

[1, 7, 11, 77, 181, 1267, 1991, 4643, 13937, 32501, 51073, 357511, 840383, 5882681, 9244213, 64709491]

約数ペア:

[(1, 64709491), (7, 9244213), (11, 5882681), (77, 840383), (181, 357511), (1267, 51073), (1991, 32501), (4643, 13937)]