81615638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{136481}}^1$

素因数の和:136519

約数の個数: 16

約数和(自身を含む): 137573856

約数和(自身を除く): 55958218

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 136481, 272962, 1774253, 3139063, 3548506, 6278126, 40807819, 81615638]

約数ペア:

[(1, 81615638), (2, 40807819), (13, 6278126), (23, 3548506), (26, 3139063), (46, 1774253), (299, 272962), (598, 136481)]