68355664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{328633}}^1$

素因数の和:328654

約数の個数: 20

約数和(自身を含む): 142627156

約数和(自身を除く): 74271492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 328633, 657266, 1314532, 2629064, 4272229, 5258128, 8544458, 17088916, 34177832, 68355664]

約数ペア:

[(1, 68355664), (2, 34177832), (4, 17088916), (8, 8544458), (13, 5258128), (16, 4272229), (26, 2629064), (52, 1314532), (104, 657266), (208, 328633)]