208354874

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 410054400

約数和(自身を除く): 201699526

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 89, 91, 133, 178, 182, 247, 266, 494, 623, 677, 1157, 1246, 1354, 1691, 1729, 2314, 3382, 3458, 4739, 8099, 8801, 9478, 11837, 12863, 16198, 17602, 21983, 23674, 25726, 43966, 60253, 61607, 90041, 120506, 123214, 153881, 167219, 180082, 307762, 334438, 421771, 783289, 843542, 1144807, 1170533, 1566578, 2289614, 2341066, 5483023, 8013649, 10966046, 14882491, 16027298, 29764982, 104177437, 208354874]

約数ペア:

[(1, 208354874), (2, 104177437), (7, 29764982), (13, 16027298), (14, 14882491), (19, 10966046), (26, 8013649), (38, 5483023), (89, 2341066), (91, 2289614), (133, 1566578), (178, 1170533), (182, 1144807), (247, 843542), (266, 783289), (494, 421771), (623, 334438), (677, 307762), (1157, 180082), (1246, 167219), (1354, 153881), (1691, 123214), (1729, 120506), (2314, 90041), (3382, 61607), (3458, 60253), (4739, 43966), (8099, 25726), (8801, 23674), (9478, 21983), (11837, 17602), (12863, 16198)]