256419312

素因数分解:

$2^4\times 3^1\times {\mathrm{421}}^1\times {\mathrm{12689}}^1$

素因数の和:13121

約数の個数: 40

約数和(自身を含む): 664042320

約数和(自身を除く): 407623008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 421, 842, 1263, 1684, 2526, 3368, 5052, 6736, 10104, 12689, 20208, 25378, 38067, 50756, 76134, 101512, 152268, 203024, 304536, 609072, 5342069, 10684138, 16026207, 21368276, 32052414, 42736552, 64104828, 85473104, 128209656, 256419312]

約数ペア:

[(1, 256419312), (2, 128209656), (3, 85473104), (4, 64104828), (6, 42736552), (8, 32052414), (12, 21368276), (16, 16026207), (24, 10684138), (48, 5342069), (421, 609072), (842, 304536), (1263, 203024), (1684, 152268), (2526, 101512), (3368, 76134), (5052, 50756), (6736, 38067), (10104, 25378), (12689, 20208)]