12978823

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 15849344

約数和(自身を除く): 2870521

約数列:

[1, 11, 13, 37, 121, 143, 223, 407, 481, 1573, 2453, 2899, 4477, 5291, 8251, 26983, 31889, 58201, 90761, 107263, 350779, 998371, 1179893, 12978823]

約数ペア:

[(1, 12978823), (11, 1179893), (13, 998371), (37, 350779), (121, 107263), (143, 90761), (223, 58201), (407, 31889), (481, 26983), (1573, 8251), (2453, 5291), (2899, 4477)]