12886445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 18506880

約数和(自身を除く): 5620435

約数列:

[1, 5, 11, 13, 55, 65, 67, 143, 269, 335, 715, 737, 871, 1345, 2959, 3497, 3685, 4355, 9581, 14795, 17485, 18023, 38467, 47905, 90115, 192335, 198253, 234299, 991265, 1171495, 2577289, 12886445]

約数ペア:

[(1, 12886445), (5, 2577289), (11, 1171495), (13, 991265), (55, 234299), (65, 198253), (67, 192335), (143, 90115), (269, 47905), (335, 38467), (715, 18023), (737, 17485), (871, 14795), (1345, 9581), (2959, 4355), (3497, 3685)]