71931088

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{104551}}^1$

素因数の和:104602

約数の個数: 20

約数和(自身を含む): 142608928

約数和(自身を除く): 70677840

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 104551, 209102, 418204, 836408, 1672816, 4495693, 8991386, 17982772, 35965544, 71931088]

約数ペア:

[(1, 71931088), (2, 35965544), (4, 17982772), (8, 8991386), (16, 4495693), (43, 1672816), (86, 836408), (172, 418204), (344, 209102), (688, 104551)]