131820190

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{166861}}^1$

素因数の和:166947

約数の個数: 16

約数和(自身を含む): 240281280

約数和(自身を除く): 108461090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 166861, 333722, 834305, 1668610, 13182019, 26364038, 65910095, 131820190]

約数ペア:

[(1, 131820190), (2, 65910095), (5, 26364038), (10, 13182019), (79, 1668610), (158, 834305), (395, 333722), (790, 166861)]