208969684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1709}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 457349760

約数和(自身を除く): 248380076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 397, 794, 1588, 1709, 2779, 3418, 4367, 5558, 6836, 8734, 11116, 11963, 17468, 18799, 23926, 30569, 37598, 47852, 61138, 75196, 122276, 131593, 263186, 526372, 678473, 1356946, 2713892, 4749311, 7463203, 9498622, 14926406, 18997244, 29852812, 52242421, 104484842, 208969684]

約数ペア:

[(1, 208969684), (2, 104484842), (4, 52242421), (7, 29852812), (11, 18997244), (14, 14926406), (22, 9498622), (28, 7463203), (44, 4749311), (77, 2713892), (154, 1356946), (308, 678473), (397, 526372), (794, 263186), (1588, 131593), (1709, 122276), (2779, 75196), (3418, 61138), (4367, 47852), (5558, 37598), (6836, 30569), (8734, 23926), (11116, 18799), (11963, 17468)]