12917255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 17696448

約数和(自身を除く): 4779193

約数列:

[1, 5, 13, 37, 41, 65, 131, 185, 205, 481, 533, 655, 1517, 1703, 2405, 2665, 4847, 5371, 7585, 8515, 19721, 24235, 26855, 63011, 69823, 98605, 198727, 315055, 349115, 993635, 2583451, 12917255]

約数ペア:

[(1, 12917255), (5, 2583451), (13, 993635), (37, 349115), (41, 315055), (65, 198727), (131, 98605), (185, 69823), (205, 63011), (481, 26855), (533, 24235), (655, 19721), (1517, 8515), (1703, 7585), (2405, 5371), (2665, 4847)]