81103408

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{136999}}^1$

素因数の和:137044

約数の個数: 20

約数和(自身を含む): 161386000

約数和(自身を除く): 80282592

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 136999, 273998, 547996, 1095992, 2191984, 5068963, 10137926, 20275852, 40551704, 81103408]

約数ペア:

[(1, 81103408), (2, 40551704), (4, 20275852), (8, 10137926), (16, 5068963), (37, 2191984), (74, 1095992), (148, 547996), (296, 273998), (592, 136999)]