199308175

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1680

約数の個数: 36

約数和(自身を含む): 278450928

約数和(自身を除く): 79142753

約数列:

[1, 5, 11, 25, 41, 55, 121, 205, 275, 451, 605, 1025, 1607, 2255, 3025, 4961, 8035, 11275, 17677, 24805, 40175, 65887, 88385, 124025, 194447, 329435, 441925, 724757, 972235, 1647175, 3623785, 4861175, 7972327, 18118925, 39861635, 199308175]

約数ペア:

[(1, 199308175), (5, 39861635), (11, 18118925), (25, 7972327), (41, 4861175), (55, 3623785), (121, 1647175), (205, 972235), (275, 724757), (451, 441925), (605, 329435), (1025, 194447), (1607, 124025), (2255, 88385), (3025, 65887), (4961, 40175), (8035, 24805), (11275, 17677)]