217784548

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 413199360

約数和(自身を除く): 195414812

約数列:

[1, 2, 4, 29, 31, 58, 62, 71, 116, 124, 142, 284, 853, 899, 1706, 1798, 2059, 2201, 3412, 3596, 4118, 4402, 8236, 8804, 24737, 26443, 49474, 52886, 60563, 63829, 98948, 105772, 121126, 127658, 242252, 255316, 766847, 1533694, 1756327, 1877453, 3067388, 3512654, 3754906, 7025308, 7509812, 54446137, 108892274, 217784548]

約数ペア:

[(1, 217784548), (2, 108892274), (4, 54446137), (29, 7509812), (31, 7025308), (58, 3754906), (62, 3512654), (71, 3067388), (116, 1877453), (124, 1756327), (142, 1533694), (284, 766847), (853, 255316), (899, 242252), (1706, 127658), (1798, 121126), (2059, 105772), (2201, 98948), (3412, 63829), (3596, 60563), (4118, 52886), (4402, 49474), (8236, 26443), (8804, 24737)]