678416504

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 1349187840

約数和(自身を除く): 670771336

約数列:

[1, 2, 4, 8, 41, 43, 82, 86, 103, 164, 172, 206, 328, 344, 412, 467, 824, 934, 1763, 1868, 3526, 3736, 4223, 4429, 7052, 8446, 8858, 14104, 16892, 17716, 19147, 20081, 33784, 35432, 38294, 40162, 48101, 76588, 80324, 96202, 153176, 160648, 181589, 192404, 363178, 384808, 726356, 823321, 1452712, 1646642, 1972141, 2068343, 3293284, 3944282, 4136686, 6586568, 7888564, 8273372, 15777128, 16546744, 84802063, 169604126, 339208252, 678416504]

約数ペア:

[(1, 678416504), (2, 339208252), (4, 169604126), (8, 84802063), (41, 16546744), (43, 15777128), (82, 8273372), (86, 7888564), (103, 6586568), (164, 4136686), (172, 3944282), (206, 3293284), (328, 2068343), (344, 1972141), (412, 1646642), (467, 1452712), (824, 823321), (934, 726356), (1763, 384808), (1868, 363178), (3526, 192404), (3736, 181589), (4223, 160648), (4429, 153176), (7052, 96202), (8446, 80324), (8858, 76588), (14104, 48101), (16892, 40162), (17716, 38294), (19147, 35432), (20081, 33784)]