81215428

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{100019}}^1$

素因数の和:100059

約数の個数: 24

約数和(自身を含む): 168033600

約数和(自身を除く): 86818172

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 100019, 200038, 400076, 700133, 1400266, 2800532, 2900551, 5801102, 11602204, 20303857, 40607714, 81215428]

約数ペア:

[(1, 81215428), (2, 40607714), (4, 20303857), (7, 11602204), (14, 5801102), (28, 2900551), (29, 2800532), (58, 1400266), (116, 700133), (203, 400076), (406, 200038), (812, 100019)]