90431408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{131441}}^1$

素因数の和:131492

約数の個数: 20

約数和(自身を含む): 179286888

約数和(自身を除く): 88855480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 131441, 262882, 525764, 1051528, 2103056, 5651963, 11303926, 22607852, 45215704, 90431408]

約数ペア:

[(1, 90431408), (2, 45215704), (4, 22607852), (8, 11303926), (16, 5651963), (43, 2103056), (86, 1051528), (172, 525764), (344, 262882), (688, 131441)]