12811952

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{13127}}^1$

素因数の和:13196

約数の個数: 20

約数和(自身を含む): 25232016

約数和(自身を除く): 12420064

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 13127, 26254, 52508, 105016, 210032, 800747, 1601494, 3202988, 6405976, 12811952]

約数ペア:

[(1, 12811952), (2, 6405976), (4, 3202988), (8, 1601494), (16, 800747), (61, 210032), (122, 105016), (244, 52508), (488, 26254), (976, 13127)]