256567213

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{58271}}^1$

素因数の和:58332

約数の個数: 16

約数和(自身を含む): 318864384

約数和(自身を除く): 62297171

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 58271, 407897, 990607, 2156027, 6934249, 15092189, 36652459, 256567213]

約数ペア:

[(1, 256567213), (7, 36652459), (17, 15092189), (37, 6934249), (119, 2156027), (259, 990607), (629, 407897), (4403, 58271)]