247060457

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 297929856

約数和(自身を除く): 50869399

約数列:

[1, 7, 23, 137, 161, 487, 529, 959, 3151, 3409, 3703, 11201, 22057, 66719, 72473, 78407, 257623, 467033, 507311, 1534537, 1803361, 10741759, 35294351, 247060457]

約数ペア:

[(1, 247060457), (7, 35294351), (23, 10741759), (137, 1803361), (161, 1534537), (487, 507311), (529, 467033), (959, 257623), (3151, 78407), (3409, 72473), (3703, 66719), (11201, 22057)]