120867025

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{16729}}^1$

素因数の和:16773

約数の個数: 18

約数和(自身を含む): 159219410

約数和(自身を除く): 38352385

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 16729, 83645, 284393, 418225, 1421965, 4834681, 7109825, 24173405, 120867025]

約数ペア:

[(1, 120867025), (5, 24173405), (17, 7109825), (25, 4834681), (85, 1421965), (289, 418225), (425, 284393), (1445, 83645), (7225, 16729)]