64251095

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^2$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 81920160

約数和(自身を除く): 17669065

約数列:

[1, 5, 29, 71, 79, 145, 355, 395, 2059, 2291, 5609, 6241, 10295, 11455, 28045, 31205, 162661, 180989, 443111, 813305, 904945, 2215555, 12850219, 64251095]

約数ペア:

[(1, 64251095), (5, 12850219), (29, 2215555), (71, 904945), (79, 813305), (145, 443111), (355, 180989), (395, 162661), (2059, 31205), (2291, 28045), (5609, 11455), (6241, 10295)]