64209808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{308701}}^1$

素因数の和:308722

約数の個数: 20

約数和(自身を含む): 133976668

約数和(自身を除く): 69766860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 308701, 617402, 1234804, 2469608, 4013113, 4939216, 8026226, 16052452, 32104904, 64209808]

約数ペア:

[(1, 64209808), (2, 32104904), (4, 16052452), (8, 8026226), (13, 4939216), (16, 4013113), (26, 2469608), (52, 1234804), (104, 617402), (208, 308701)]