256991230

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1\times {\mathrm{709}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 471019680

約数和(自身を除く): 214028450

約数列:

[1, 2, 5, 10, 67, 134, 335, 541, 670, 709, 1082, 1418, 2705, 3545, 5410, 7090, 36247, 47503, 72494, 95006, 181235, 237515, 362470, 383569, 475030, 767138, 1917845, 3835690, 25699123, 51398246, 128495615, 256991230]

約数ペア:

[(1, 256991230), (2, 128495615), (5, 51398246), (10, 25699123), (67, 3835690), (134, 1917845), (335, 767138), (541, 475030), (670, 383569), (709, 362470), (1082, 237515), (1418, 181235), (2705, 95006), (3545, 72494), (5410, 47503), (7090, 36247)]