247078

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 24

約数和(自身を含む): 434808

約数和(自身を除く): 187730

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 169, 221, 338, 442, 559, 731, 1118, 1462, 2873, 5746, 7267, 9503, 14534, 19006, 123539, 247078]

約数ペア:

[(1, 247078), (2, 123539), (13, 19006), (17, 14534), (26, 9503), (34, 7267), (43, 5746), (86, 2873), (169, 1462), (221, 1118), (338, 731), (442, 559)]