241451990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{142871}}^1$

素因数の和:142904

約数の個数: 24

約数和(自身を含む): 470620368

約数和(自身を除く): 229168378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 142871, 285742, 714355, 1428710, 1857323, 3714646, 9286615, 18573230, 24145199, 48290398, 120725995, 241451990]

約数ペア:

[(1, 241451990), (2, 120725995), (5, 48290398), (10, 24145199), (13, 18573230), (26, 9286615), (65, 3714646), (130, 1857323), (169, 1428710), (338, 714355), (845, 285742), (1690, 142871)]