12157115

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 15434496

約数和(自身を除く): 3277381

約数列:

[1, 5, 31, 41, 155, 205, 1271, 1913, 6355, 9565, 59303, 78433, 296515, 392165, 2431423, 12157115]

約数ペア:

[(1, 12157115), (5, 2431423), (31, 392165), (41, 296515), (155, 78433), (205, 59303), (1271, 9565), (1913, 6355)]