890258564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{21481}}^1$

素因数の和:22295

約数の個数: 24

約数和(自身を含む): 1679978328

約数和(自身を除く): 789719764

約数列:

[1, 2, 4, 13, 26, 52, 797, 1594, 3188, 10361, 20722, 21481, 41444, 42962, 85924, 279253, 558506, 1117012, 17120357, 34240714, 68481428, 222564641, 445129282, 890258564]

約数ペア:

[(1, 890258564), (2, 445129282), (4, 222564641), (13, 68481428), (26, 34240714), (52, 17120357), (797, 1117012), (1594, 558506), (3188, 279253), (10361, 85924), (20722, 42962), (21481, 41444)]