28438661264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136724333}}^1$

素因数の和:136724354

約数の個数: 20

約数和(自身を含む): 59338360956

約数和(自身を除く): 30899699692

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136724333, 273448666, 546897332, 1093794664, 1777416329, 2187589328, 3554832658, 7109665316, 14219330632, 28438661264]

約数ペア:

[(1, 28438661264), (2, 14219330632), (4, 7109665316), (8, 3554832658), (13, 2187589328), (16, 1777416329), (26, 1093794664), (52, 546897332), (104, 273448666), (208, 136724333)]