487356740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1874449}}^1$

素因数の和:1874471

約数の個数: 24

約数和(自身を含む): 1102176600

約数和(自身を除く): 614819860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1874449, 3748898, 7497796, 9372245, 18744490, 24367837, 37488980, 48735674, 97471348, 121839185, 243678370, 487356740]

約数ペア:

[(1, 487356740), (2, 243678370), (4, 121839185), (5, 97471348), (10, 48735674), (13, 37488980), (20, 24367837), (26, 18744490), (52, 9372245), (65, 7497796), (130, 3748898), (260, 1874449)]