31481788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{11423}}^1$

素因数の和:11493

約数の個数: 24

約数和(自身を含む): 60455808

約数和(自身を除く): 28974020

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 11423, 22846, 45692, 148499, 296998, 593996, 605419, 1210838, 2421676, 7870447, 15740894, 31481788]

約数ペア:

[(1, 31481788), (2, 15740894), (4, 7870447), (13, 2421676), (26, 1210838), (52, 605419), (53, 593996), (106, 296998), (212, 148499), (689, 45692), (1378, 22846), (2756, 11423)]