12865405

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2467}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 17769600

約数和(自身を除く): 4904195

約数列:

[1, 5, 7, 35, 149, 745, 1043, 2467, 5215, 12335, 17269, 86345, 367583, 1837915, 2573081, 12865405]

約数ペア:

[(1, 12865405), (5, 2573081), (7, 1837915), (35, 367583), (149, 86345), (745, 17269), (1043, 12335), (2467, 5215)]