291207908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3571}}^1$

素因数の和:3660

約数の個数: 48

約数和(自身を含む): 570091200

約数和(自身を除く): 278883292

約数列:

[1, 2, 4, 19, 29, 37, 38, 58, 74, 76, 116, 148, 551, 703, 1073, 1102, 1406, 2146, 2204, 2812, 3571, 4292, 7142, 14284, 20387, 40774, 67849, 81548, 103559, 132127, 135698, 207118, 264254, 271396, 414236, 528508, 1967621, 2510413, 3831683, 3935242, 5020826, 7663366, 7870484, 10041652, 15326732, 72801977, 145603954, 291207908]

約数ペア:

[(1, 291207908), (2, 145603954), (4, 72801977), (19, 15326732), (29, 10041652), (37, 7870484), (38, 7663366), (58, 5020826), (74, 3935242), (76, 3831683), (116, 2510413), (148, 1967621), (551, 528508), (703, 414236), (1073, 271396), (1102, 264254), (1406, 207118), (2146, 135698), (2204, 132127), (2812, 103559), (3571, 81548), (4292, 67849), (7142, 40774), (14284, 20387)]