31145530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{829}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 64212120

約数和(自身を除く): 33066590

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 829, 1105, 1445, 1658, 2210, 2890, 3757, 4145, 7514, 8290, 10777, 14093, 18785, 21554, 28186, 37570, 53885, 70465, 107770, 140930, 183209, 239581, 366418, 479162, 916045, 1197905, 1832090, 2395810, 3114553, 6229106, 15572765, 31145530]

約数ペア:

[(1, 31145530), (2, 15572765), (5, 6229106), (10, 3114553), (13, 2395810), (17, 1832090), (26, 1197905), (34, 916045), (65, 479162), (85, 366418), (130, 239581), (170, 183209), (221, 140930), (289, 107770), (442, 70465), (578, 53885), (829, 37570), (1105, 28186), (1445, 21554), (1658, 18785), (2210, 14093), (2890, 10777), (3757, 8290), (4145, 7514)]