668811514

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 1257004800

約数和(自身を除く): 588193286

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 277, 313, 406, 551, 554, 626, 1102, 1939, 2191, 3857, 3878, 4382, 5263, 5947, 7714, 8033, 9077, 10526, 11894, 16066, 18154, 36841, 41629, 56231, 63539, 73682, 83258, 86701, 112462, 127078, 152627, 172463, 173402, 305254, 344926, 606907, 1068389, 1207241, 1213814, 1647319, 2136778, 2414482, 2514329, 3294638, 5028658, 11531233, 17600303, 23062466, 35200606, 47772251, 95544502, 334405757, 668811514]

約数ペア:

[(1, 668811514), (2, 334405757), (7, 95544502), (14, 47772251), (19, 35200606), (29, 23062466), (38, 17600303), (58, 11531233), (133, 5028658), (203, 3294638), (266, 2514329), (277, 2414482), (313, 2136778), (406, 1647319), (551, 1213814), (554, 1207241), (626, 1068389), (1102, 606907), (1939, 344926), (2191, 305254), (3857, 173402), (3878, 172463), (4382, 152627), (5263, 127078), (5947, 112462), (7714, 86701), (8033, 83258), (9077, 73682), (10526, 63539), (11894, 56231), (16066, 41629), (18154, 36841)]