81067390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{28051}}^1$

素因数の和:28092

約数の個数: 24

約数和(自身を含む): 155015352

約数和(自身を除く): 73947962

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 28051, 56102, 140255, 280510, 476867, 953734, 2384335, 4768670, 8106739, 16213478, 40533695, 81067390]

約数ペア:

[(1, 81067390), (2, 40533695), (5, 16213478), (10, 8106739), (17, 4768670), (34, 2384335), (85, 953734), (170, 476867), (289, 280510), (578, 140255), (1445, 56102), (2890, 28051)]