81841910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{28319}}^1$

素因数の和:28360

約数の個数: 24

約数和(自身を含む): 156496320

約数和(自身を除く): 74654410

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 28319, 56638, 141595, 283190, 481423, 962846, 2407115, 4814230, 8184191, 16368382, 40920955, 81841910]

約数ペア:

[(1, 81841910), (2, 40920955), (5, 16368382), (10, 8184191), (17, 4814230), (34, 2407115), (85, 962846), (170, 481423), (289, 283190), (578, 141595), (1445, 56638), (2890, 28319)]