643848

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 1629600

約数和(自身を除く): 985752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 193, 278, 386, 417, 556, 579, 772, 834, 1112, 1158, 1544, 1668, 2316, 3336, 4632, 26827, 53654, 80481, 107308, 160962, 214616, 321924, 643848]

約数ペア:

[(1, 643848), (2, 321924), (3, 214616), (4, 160962), (6, 107308), (8, 80481), (12, 53654), (24, 26827), (139, 4632), (193, 3336), (278, 2316), (386, 1668), (417, 1544), (556, 1158), (579, 1112), (772, 834)]