289406975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{80953}}^1$

素因数の和:80987

約数の個数: 24

約数和(自身を含む): 421608432

約数和(自身を除く): 132201457

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 80953, 404765, 890483, 1052389, 2023825, 4452415, 5261945, 11576279, 22262075, 26309725, 57881395, 289406975]

約数ペア:

[(1, 289406975), (5, 57881395), (11, 26309725), (13, 22262075), (25, 11576279), (55, 5261945), (65, 4452415), (143, 2023825), (275, 1052389), (325, 890483), (715, 404765), (3575, 80953)]