131517808

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{59999}}^1$

素因数の和:60144

約数の個数: 20

約数和(自身を含む): 256680000

約数和(自身を除く): 125162192

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 59999, 119998, 239996, 479992, 959984, 8219863, 16439726, 32879452, 65758904, 131517808]

約数ペア:

[(1, 131517808), (2, 65758904), (4, 32879452), (8, 16439726), (16, 8219863), (137, 959984), (274, 479992), (548, 239996), (1096, 119998), (2192, 59999)]