90128876

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 160146000

約数和(自身を除く): 70017124

約数列:

[1, 2, 4, 89, 178, 356, 409, 619, 818, 1238, 1636, 2476, 36401, 55091, 72802, 110182, 145604, 220364, 253171, 506342, 1012684, 22532219, 45064438, 90128876]

約数ペア:

[(1, 90128876), (2, 45064438), (4, 22532219), (89, 1012684), (178, 506342), (356, 253171), (409, 220364), (619, 145604), (818, 110182), (1238, 72802), (1636, 55091), (2476, 36401)]