640577364

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{177347}}^1$

素因数の和:177404

約数の個数: 48

約数和(自身を含む): 1747941888

約数和(自身を除く): 1107364524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 177347, 354694, 532041, 709388, 1064082, 1241429, 2128164, 2482858, 3724287, 4965716, 7448574, 7625921, 14897148, 15251842, 22877763, 30503684, 45755526, 53381447, 91511052, 106762894, 160144341, 213525788, 320288682, 640577364]

約数ペア:

[(1, 640577364), (2, 320288682), (3, 213525788), (4, 160144341), (6, 106762894), (7, 91511052), (12, 53381447), (14, 45755526), (21, 30503684), (28, 22877763), (42, 15251842), (43, 14897148), (84, 7625921), (86, 7448574), (129, 4965716), (172, 3724287), (258, 2482858), (301, 2128164), (516, 1241429), (602, 1064082), (903, 709388), (1204, 532041), (1806, 354694), (3612, 177347)]