12811435

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 19458432

約数和(自身を除く): 6646997

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 761, 1295, 2405, 3367, 3805, 5327, 9893, 16835, 26635, 28157, 49465, 69251, 140785, 197099, 346255, 366041, 985495, 1830205, 2562287, 12811435]

約数ペア:

[(1, 12811435), (5, 2562287), (7, 1830205), (13, 985495), (35, 366041), (37, 346255), (65, 197099), (91, 140785), (185, 69251), (259, 49465), (455, 28157), (481, 26635), (761, 16835), (1295, 9893), (2405, 5327), (3367, 3805)]