1661525425

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 2405738880

約数和(自身を除く): 744213455

約数列:

[1, 5, 7, 25, 35, 89, 107, 175, 445, 535, 623, 749, 997, 2225, 2675, 3115, 3745, 4985, 6979, 9523, 15575, 18725, 24925, 34895, 47615, 66661, 88733, 106679, 174475, 238075, 333305, 443665, 533395, 621131, 746753, 1666525, 2218325, 2666975, 3105655, 3733765, 9494431, 15528275, 18668825, 47472155, 66461017, 237360775, 332305085, 1661525425]

約数ペア:

[(1, 1661525425), (5, 332305085), (7, 237360775), (25, 66461017), (35, 47472155), (89, 18668825), (107, 15528275), (175, 9494431), (445, 3733765), (535, 3105655), (623, 2666975), (749, 2218325), (997, 1666525), (2225, 746753), (2675, 621131), (3115, 533395), (3745, 443665), (4985, 333305), (6979, 238075), (9523, 174475), (15575, 106679), (18725, 88733), (24925, 66661), (34895, 47615)]