12501775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 18380520

約数和(自身を除く): 5878745

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 269, 275, 325, 715, 845, 1345, 1859, 2959, 3497, 3575, 4225, 6725, 9295, 14795, 17485, 38467, 45461, 46475, 73975, 87425, 192335, 227305, 500071, 961675, 1136525, 2500355, 12501775]

約数ペア:

[(1, 12501775), (5, 2500355), (11, 1136525), (13, 961675), (25, 500071), (55, 227305), (65, 192335), (143, 87425), (169, 73975), (269, 46475), (275, 45461), (325, 38467), (715, 17485), (845, 14795), (1345, 9295), (1859, 6725), (2959, 4225), (3497, 3575)]