870865919

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 1196310528

約数和(自身を除く): 325444609

約数列:

[1, 7, 11, 17, 31, 77, 119, 121, 187, 217, 341, 527, 847, 1309, 1951, 2057, 2387, 3689, 3751, 5797, 13657, 14399, 21461, 26257, 33167, 40579, 60481, 63767, 150227, 232169, 236071, 364837, 423367, 446369, 665291, 1028177, 1652497, 2553859, 4013207, 4657037, 7197239, 7318201, 11309947, 28092449, 51227407, 79169629, 124409417, 870865919]

約数ペア:

[(1, 870865919), (7, 124409417), (11, 79169629), (17, 51227407), (31, 28092449), (77, 11309947), (119, 7318201), (121, 7197239), (187, 4657037), (217, 4013207), (341, 2553859), (527, 1652497), (847, 1028177), (1309, 665291), (1951, 446369), (2057, 423367), (2387, 364837), (3689, 236071), (3751, 232169), (5797, 150227), (13657, 63767), (14399, 60481), (21461, 40579), (26257, 33167)]