64688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:332

約数の個数: 20

約数和(自身を含む): 135408

約数和(自身を除く): 70720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311, 622, 1244, 2488, 4043, 4976, 8086, 16172, 32344, 64688]

約数ペア:

[(1, 64688), (2, 32344), (4, 16172), (8, 8086), (13, 4976), (16, 4043), (26, 2488), (52, 1244), (104, 622), (208, 311)]