890444891

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{5701}}^1$

素因数の和:6182

約数の個数: 16

約数和(自身を含む): 1039497408

約数和(自身を除く): 149052517

約数列:

[1, 7, 53, 371, 421, 2947, 5701, 22313, 39907, 156191, 302153, 2115071, 2400121, 16800847, 127206413, 890444891]

約数ペア:

[(1, 890444891), (7, 127206413), (53, 16800847), (371, 2400121), (421, 2115071), (2947, 302153), (5701, 156191), (22313, 39907)]