256549008

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{124297}}^1$

素因数の和:124351

約数の個数: 40

約数和(自身を含む): 678169888

約数和(自身を除く): 421620880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 124297, 248594, 372891, 497188, 745782, 994376, 1491564, 1988752, 2983128, 5344771, 5966256, 10689542, 16034313, 21379084, 32068626, 42758168, 64137252, 85516336, 128274504, 256549008]

約数ペア:

[(1, 256549008), (2, 128274504), (3, 85516336), (4, 64137252), (6, 42758168), (8, 32068626), (12, 21379084), (16, 16034313), (24, 10689542), (43, 5966256), (48, 5344771), (86, 2983128), (129, 1988752), (172, 1491564), (258, 994376), (344, 745782), (516, 497188), (688, 372891), (1032, 248594), (2064, 124297)]