38909390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1307}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 75811680

約数和(自身を除く): 36902290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 1307, 2290, 2614, 2977, 5954, 6535, 13070, 14885, 16991, 29770, 33982, 84955, 169910, 299303, 598606, 1496515, 2993030, 3890939, 7781878, 19454695, 38909390]

約数ペア:

[(1, 38909390), (2, 19454695), (5, 7781878), (10, 3890939), (13, 2993030), (26, 1496515), (65, 598606), (130, 299303), (229, 169910), (458, 84955), (1145, 33982), (1307, 29770), (2290, 16991), (2614, 14885), (2977, 13070), (5954, 6535)]