128481275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7459}}^1$

素因数の和:7535

約数の個数: 24

約数和(自身を含む): 174832560

約数和(自身を除く): 46351285

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 3445, 7459, 17225, 37295, 96967, 186475, 395327, 484835, 1976635, 2424175, 5139251, 9883175, 25696255, 128481275]

約数ペア:

[(1, 128481275), (5, 25696255), (13, 9883175), (25, 5139251), (53, 2424175), (65, 1976635), (265, 484835), (325, 395327), (689, 186475), (1325, 96967), (3445, 37295), (7459, 17225)]