199486616

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{19681}}^1$

素因数の和:19875

約数の個数: 32

約数和(自身を含む): 429854880

約数和(自身を除く): 230368264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2534, 5068, 10136, 19681, 39362, 78724, 137767, 157448, 275534, 551068, 1102136, 3562261, 7124522, 14249044, 24935827, 28498088, 49871654, 99743308, 199486616]

約数ペア:

[(1, 199486616), (2, 99743308), (4, 49871654), (7, 28498088), (8, 24935827), (14, 14249044), (28, 7124522), (56, 3562261), (181, 1102136), (362, 551068), (724, 275534), (1267, 157448), (1448, 137767), (2534, 78724), (5068, 39362), (10136, 19681)]