199999805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{29347}}^1$

素因数の和:29428

約数の個数: 16

約数和(自身を含む): 253566720

約数和(自身を除く): 53566915

約数列:

[1, 5, 29, 47, 145, 235, 1363, 6815, 29347, 146735, 851063, 1379309, 4255315, 6896545, 39999961, 199999805]

約数ペア:

[(1, 199999805), (5, 39999961), (29, 6896545), (47, 4255315), (145, 1379309), (235, 851063), (1363, 146735), (6815, 29347)]