2881025

素因数分解:

$5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 4148544

約数和(自身を除く): 1267519

約数列:

[1, 5, 7, 25, 35, 101, 163, 175, 505, 707, 815, 1141, 2525, 3535, 4075, 5705, 16463, 17675, 28525, 82315, 115241, 411575, 576205, 2881025]

約数ペア:

[(1, 2881025), (5, 576205), (7, 411575), (25, 115241), (35, 82315), (101, 28525), (163, 17675), (175, 16463), (505, 5705), (707, 4075), (815, 3535), (1141, 2525)]