81960176

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61717}}^1$

素因数の和:61808

約数の個数: 20

約数和(自身を含む): 160713672

約数和(自身を除く): 78753496

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61717, 123434, 246868, 493736, 987472, 5122511, 10245022, 20490044, 40980088, 81960176]

約数ペア:

[(1, 81960176), (2, 40980088), (4, 20490044), (8, 10245022), (16, 5122511), (83, 987472), (166, 493736), (332, 246868), (664, 123434), (1328, 61717)]