89261879

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 107423568

約数和(自身を除く): 18161689

約数列:

[1, 7, 41, 49, 157, 283, 287, 1099, 1981, 2009, 6437, 7693, 11603, 13867, 44431, 45059, 81221, 311017, 315413, 568547, 1821671, 2177119, 12751697, 89261879]

約数ペア:

[(1, 89261879), (7, 12751697), (41, 2177119), (49, 1821671), (157, 568547), (283, 315413), (287, 311017), (1099, 81221), (1981, 45059), (2009, 44431), (6437, 13867), (7693, 11603)]