664946576

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{57641}}^1$

素因数の和:57759

約数の個数: 40

約数和(自身を含む): 1486702464

約数和(自身を除く): 821755888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 57641, 115282, 230564, 403487, 461128, 806974, 922256, 1613948, 3227896, 5937023, 6455792, 11874046, 23748092, 41559161, 47496184, 83118322, 94992368, 166236644, 332473288, 664946576]

約数ペア:

[(1, 664946576), (2, 332473288), (4, 166236644), (7, 94992368), (8, 83118322), (14, 47496184), (16, 41559161), (28, 23748092), (56, 11874046), (103, 6455792), (112, 5937023), (206, 3227896), (412, 1613948), (721, 922256), (824, 806974), (1442, 461128), (1648, 403487), (2884, 230564), (5768, 115282), (11536, 57641)]