664201736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{919}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 1398988800

約数和(自身を除く): 734787064

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 191, 344, 382, 473, 764, 919, 946, 1528, 1838, 1892, 2101, 3676, 3784, 4202, 7352, 8213, 8404, 10109, 16426, 16808, 20218, 32852, 39517, 40436, 65704, 79034, 80872, 90343, 158068, 175529, 180686, 316136, 351058, 361372, 434687, 702116, 722744, 869374, 1404232, 1738748, 1930819, 3477496, 3861638, 7547747, 7723276, 15095494, 15446552, 30190988, 60381976, 83025217, 166050434, 332100868, 664201736]

約数ペア:

[(1, 664201736), (2, 332100868), (4, 166050434), (8, 83025217), (11, 60381976), (22, 30190988), (43, 15446552), (44, 15095494), (86, 7723276), (88, 7547747), (172, 3861638), (191, 3477496), (344, 1930819), (382, 1738748), (473, 1404232), (764, 869374), (919, 722744), (946, 702116), (1528, 434687), (1838, 361372), (1892, 351058), (2101, 316136), (3676, 180686), (3784, 175529), (4202, 158068), (7352, 90343), (8213, 80872), (8404, 79034), (10109, 65704), (16426, 40436), (16808, 39517), (20218, 32852)]