128581898

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{2879}}^1$

素因数の和:3181

約数の個数: 16

約数和(自身を含む): 195540480

約数和(自身を除く): 66958582

約数列:

[1, 2, 137, 163, 274, 326, 2879, 5758, 22331, 44662, 394423, 469277, 788846, 938554, 64290949, 128581898]

約数ペア:

[(1, 128581898), (2, 64290949), (137, 938554), (163, 788846), (274, 469277), (326, 394423), (2879, 44662), (5758, 22331)]