6639997

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 8249472

約数和(自身を除く): 1609475

約数列:

[1, 7, 13, 91, 131, 557, 917, 1703, 3899, 7241, 11921, 50687, 72967, 510769, 948571, 6639997]

約数ペア:

[(1, 6639997), (7, 948571), (13, 510769), (91, 72967), (131, 50687), (557, 11921), (917, 7241), (1703, 3899)]