28191950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1951}}^1$

素因数の和:1997

約数の個数: 36

約数和(自身を含む): 55731552

約数和(自身を除く): 27539602

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1445, 1951, 2890, 3902, 7225, 9755, 14450, 19510, 33167, 48775, 66334, 97550, 165835, 331670, 563839, 829175, 1127678, 1658350, 2819195, 5638390, 14095975, 28191950]

約数ペア:

[(1, 28191950), (2, 14095975), (5, 5638390), (10, 2819195), (17, 1658350), (25, 1127678), (34, 829175), (50, 563839), (85, 331670), (170, 165835), (289, 97550), (425, 66334), (578, 48775), (850, 33167), (1445, 19510), (1951, 14450), (2890, 9755), (3902, 7225)]