90197776

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{71359}}^1$

素因数の和:71446

約数の個数: 20

約数和(自身を含む): 176972800

約数和(自身を除く): 86775024

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 71359, 142718, 285436, 570872, 1141744, 5637361, 11274722, 22549444, 45098888, 90197776]

約数ペア:

[(1, 90197776), (2, 45098888), (4, 22549444), (8, 11274722), (16, 5637361), (79, 1141744), (158, 570872), (316, 285436), (632, 142718), (1264, 71359)]