1855446905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 2440005120

約数和(自身を除く): 584558215

約数列:

[1, 5, 13, 65, 71, 355, 409, 923, 983, 2045, 4615, 4915, 5317, 12779, 26585, 29039, 63895, 69793, 145195, 348965, 377507, 402047, 907309, 1887535, 2010235, 4536545, 5226611, 26133055, 28545337, 142726685, 371089381, 1855446905]

約数ペア:

[(1, 1855446905), (5, 371089381), (13, 142726685), (65, 28545337), (71, 26133055), (355, 5226611), (409, 4536545), (923, 2010235), (983, 1887535), (2045, 907309), (4615, 402047), (4915, 377507), (5317, 348965), (12779, 145195), (26585, 69793), (29039, 63895)]