28520156

素因数分解:

$2^2\times 7^2\times {\mathrm{145511}}^1$

素因数の和:145529

約数の個数: 18

約数和(自身を含む): 58059288

約数和(自身を除く): 29539132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 145511, 291022, 582044, 1018577, 2037154, 4074308, 7130039, 14260078, 28520156]

約数ペア:

[(1, 28520156), (2, 14260078), (4, 7130039), (7, 4074308), (14, 2037154), (28, 1018577), (49, 582044), (98, 291022), (196, 145511)]