256536624

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{124291}}^1$

素因数の和:124345

約数の個数: 40

約数和(自身を含む): 678137152

約数和(自身を除く): 421600528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 124291, 248582, 372873, 497164, 745746, 994328, 1491492, 1988656, 2982984, 5344513, 5965968, 10689026, 16033539, 21378052, 32067078, 42756104, 64134156, 85512208, 128268312, 256536624]

約数ペア:

[(1, 256536624), (2, 128268312), (3, 85512208), (4, 64134156), (6, 42756104), (8, 32067078), (12, 21378052), (16, 16033539), (24, 10689026), (43, 5965968), (48, 5344513), (86, 2982984), (129, 1988656), (172, 1491492), (258, 994328), (344, 745746), (516, 497164), (688, 372873), (1032, 248582), (2064, 124291)]