12788545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 19491840

約数和(自身を除く): 6703295

約数列:

[1, 5, 7, 11, 35, 55, 59, 77, 295, 385, 413, 563, 649, 2065, 2815, 3245, 3941, 4543, 6193, 19705, 22715, 30965, 33217, 43351, 166085, 216755, 232519, 365387, 1162595, 1826935, 2557709, 12788545]

約数ペア:

[(1, 12788545), (5, 2557709), (7, 1826935), (11, 1162595), (35, 365387), (55, 232519), (59, 216755), (77, 166085), (295, 43351), (385, 33217), (413, 30965), (563, 22715), (649, 19705), (2065, 6193), (2815, 4543), (3245, 3941)]