39930826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 66382848

約数和(自身を除く): 26452022

約数列:

[1, 2, 13, 26, 71, 97, 142, 194, 223, 446, 923, 1261, 1846, 2522, 2899, 5798, 6887, 13774, 15833, 21631, 31666, 43262, 89531, 179062, 205829, 281203, 411658, 562406, 1535801, 3071602, 19965413, 39930826]

約数ペア:

[(1, 39930826), (2, 19965413), (13, 3071602), (26, 1535801), (71, 562406), (97, 411658), (142, 281203), (194, 205829), (223, 179062), (446, 89531), (923, 43262), (1261, 31666), (1846, 21631), (2522, 15833), (2899, 13774), (5798, 6887)]