289124615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1213}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 395666880

約数和(自身を除く): 106542265

約数列:

[1, 5, 13, 19, 65, 95, 193, 247, 965, 1213, 1235, 2509, 3667, 6065, 12545, 15769, 18335, 23047, 47671, 78845, 115235, 234109, 238355, 299611, 1170545, 1498055, 3043417, 4448071, 15217085, 22240355, 57824923, 289124615]

約数ペア:

[(1, 289124615), (5, 57824923), (13, 22240355), (19, 15217085), (65, 4448071), (95, 3043417), (193, 1498055), (247, 1170545), (965, 299611), (1213, 238355), (1235, 234109), (2509, 115235), (3667, 78845), (6065, 47671), (12545, 23047), (15769, 18335)]