668895556

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{26573}}^1$

素因数の和:26644

約数の個数: 48

約数和(自身を含む): 1428618240

約数和(自身を除く): 759722684

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 812, 868, 899, 1798, 3596, 6293, 12586, 25172, 26573, 53146, 106292, 186011, 372022, 744044, 770617, 823763, 1541234, 1647526, 3082468, 3295052, 5394319, 5766341, 10788638, 11532682, 21577276, 23065364, 23889127, 47778254, 95556508, 167223889, 334447778, 668895556]

約数ペア:

[(1, 668895556), (2, 334447778), (4, 167223889), (7, 95556508), (14, 47778254), (28, 23889127), (29, 23065364), (31, 21577276), (58, 11532682), (62, 10788638), (116, 5766341), (124, 5394319), (203, 3295052), (217, 3082468), (406, 1647526), (434, 1541234), (812, 823763), (868, 770617), (899, 744044), (1798, 372022), (3596, 186011), (6293, 106292), (12586, 53146), (25172, 26573)]