2806375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 4140864

約数和(自身を除く): 1334489

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 157, 275, 325, 715, 785, 1375, 1625, 1727, 2041, 3575, 3925, 8635, 10205, 17875, 19625, 22451, 43175, 51025, 112255, 215875, 255125, 561275, 2806375]

約数ペア:

[(1, 2806375), (5, 561275), (11, 255125), (13, 215875), (25, 112255), (55, 51025), (65, 43175), (125, 22451), (143, 19625), (157, 17875), (275, 10205), (325, 8635), (715, 3925), (785, 3575), (1375, 2041), (1625, 1727)]