28807790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{691}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 56799360

約数和(自身を除く): 27991570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 379, 691, 758, 1382, 1895, 3455, 3790, 4169, 6910, 7601, 8338, 15202, 20845, 38005, 41690, 76010, 261889, 523778, 1309445, 2618890, 2880779, 5761558, 14403895, 28807790]

約数ペア:

[(1, 28807790), (2, 14403895), (5, 5761558), (10, 2880779), (11, 2618890), (22, 1309445), (55, 523778), (110, 261889), (379, 76010), (691, 41690), (758, 38005), (1382, 20845), (1895, 15202), (3455, 8338), (3790, 7601), (4169, 6910)]