56878090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19681}}^1$

素因数の和:19722

約数の個数: 24

約数和(自身を含む): 108762732

約数和(自身を除く): 51884642

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 19681, 39362, 98405, 196810, 334577, 669154, 1672885, 3345770, 5687809, 11375618, 28439045, 56878090]

約数ペア:

[(1, 56878090), (2, 28439045), (5, 11375618), (10, 5687809), (17, 3345770), (34, 1672885), (85, 669154), (170, 334577), (289, 196810), (578, 98405), (1445, 39362), (2890, 19681)]