12128905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4603}}^1$

素因数の和:4656

約数の個数: 16

約数和(自身を含む): 15911424

約数和(自身を除く): 3782519

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 4603, 23015, 78251, 142693, 391255, 713465, 2425781, 12128905]

約数ペア:

[(1, 12128905), (5, 2425781), (17, 713465), (31, 391255), (85, 142693), (155, 78251), (527, 23015), (2635, 4603)]