388302538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{2393}}^1$

素因数の和:2566

約数の個数: 24

約数和(自身を含む): 635563908

約数和(自身を除く): 247261370

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 2393, 4786, 6241, 12482, 31109, 62218, 81133, 162266, 189047, 378094, 2457611, 4915222, 14934713, 29869426, 194151269, 388302538]

約数ペア:

[(1, 388302538), (2, 194151269), (13, 29869426), (26, 14934713), (79, 4915222), (158, 2457611), (1027, 378094), (2054, 189047), (2393, 162266), (4786, 81133), (6241, 62218), (12482, 31109)]