201980156

素因数分解:

$2^2\times 7^2\times {\mathrm{1030511}}^1$

素因数の和:1030529

約数の個数: 18

約数和(自身を含む): 411174288

約数和(自身を除く): 209194132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1030511, 2061022, 4122044, 7213577, 14427154, 28854308, 50495039, 100990078, 201980156]

約数ペア:

[(1, 201980156), (2, 100990078), (4, 50495039), (7, 28854308), (14, 14427154), (28, 7213577), (49, 4122044), (98, 2061022), (196, 1030511)]