407966

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 24

約数和(自身を含む): 711504

約数和(自身を除く): 303538

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 169, 221, 338, 442, 923, 1207, 1846, 2414, 2873, 5746, 11999, 15691, 23998, 31382, 203983, 407966]

約数ペア:

[(1, 407966), (2, 203983), (13, 31382), (17, 23998), (26, 15691), (34, 11999), (71, 5746), (142, 2873), (169, 2414), (221, 1846), (338, 1207), (442, 923)]