12790518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163981}}^1$

素因数の和:163999

約数の個数: 16

約数和(自身を含む): 27548976

約数和(自身を除く): 14758458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163981, 327962, 491943, 983886, 2131753, 4263506, 6395259, 12790518]

約数ペア:

[(1, 12790518), (2, 6395259), (3, 4263506), (6, 2131753), (13, 983886), (26, 491943), (39, 327962), (78, 163981)]