81870086

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1219

約数の個数: 16

約数和(自身を含む): 124104960

約数和(自身を除く): 42234874

約数列:

[1, 2, 151, 302, 419, 647, 838, 1294, 63269, 97697, 126538, 195394, 271093, 542186, 40935043, 81870086]

約数ペア:

[(1, 81870086), (2, 40935043), (151, 542186), (302, 271093), (419, 195394), (647, 126538), (838, 97697), (1294, 63269)]