72540689

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^2$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 86573760

約数和(自身を除く): 14033071

約数列:

[1, 13, 19, 23, 113, 247, 299, 437, 1469, 2147, 2599, 5681, 12769, 27911, 33787, 49381, 165997, 242611, 293687, 641953, 3153943, 3817931, 5580053, 72540689]

約数ペア:

[(1, 72540689), (13, 5580053), (19, 3817931), (23, 3153943), (113, 641953), (247, 293687), (299, 242611), (437, 165997), (1469, 49381), (2147, 33787), (2599, 27911), (5681, 12769)]