81612856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{3457}}^1$

素因数の和:3703

約数の個数: 32

約数和(自身を含む): 165569040

約数和(自身を除く): 83956184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 454, 908, 1816, 2951, 3457, 5902, 6914, 11804, 13828, 23608, 27656, 44941, 89882, 179764, 359528, 784739, 1569478, 3138956, 6277912, 10201607, 20403214, 40806428, 81612856]

約数ペア:

[(1, 81612856), (2, 40806428), (4, 20403214), (8, 10201607), (13, 6277912), (26, 3138956), (52, 1569478), (104, 784739), (227, 359528), (454, 179764), (908, 89882), (1816, 44941), (2951, 27656), (3457, 23608), (5902, 13828), (6914, 11804)]