256825630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{88867}}^1$

素因数の和:88908

約数の個数: 24

約数和(自身を含む): 491084568

約数和(自身を除く): 234258938

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 88867, 177734, 444335, 888670, 1510739, 3021478, 7553695, 15107390, 25682563, 51365126, 128412815, 256825630]

約数ペア:

[(1, 256825630), (2, 128412815), (5, 51365126), (10, 25682563), (17, 15107390), (34, 7553695), (85, 3021478), (170, 1510739), (289, 888670), (578, 444335), (1445, 177734), (2890, 88867)]