721265404

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{1459}}^1\times {\mathrm{1693}}^1$

素因数の和:3229

約数の個数: 24

約数和(自身を含む): 1281138320

約数和(自身を除く): 559872916

約数列:

[1, 2, 4, 73, 146, 292, 1459, 1693, 2918, 3386, 5836, 6772, 106507, 123589, 213014, 247178, 426028, 494356, 2470087, 4940174, 9880348, 180316351, 360632702, 721265404]

約数ペア:

[(1, 721265404), (2, 360632702), (4, 180316351), (73, 9880348), (146, 4940174), (292, 2470087), (1459, 494356), (1693, 426028), (2918, 247178), (3386, 213014), (5836, 123589), (6772, 106507)]