257681328

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{233407}}^1$

素因数の和:233441

約数の個数: 40

約数和(自身を含む): 694622208

約数和(自身を除く): 436940880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 233407, 466814, 700221, 933628, 1400442, 1867256, 2800884, 3734512, 5368361, 5601768, 10736722, 11203536, 16105083, 21473444, 32210166, 42946888, 64420332, 85893776, 128840664, 257681328]

約数ペア:

[(1, 257681328), (2, 128840664), (3, 85893776), (4, 64420332), (6, 42946888), (8, 32210166), (12, 21473444), (16, 16105083), (23, 11203536), (24, 10736722), (46, 5601768), (48, 5368361), (69, 3734512), (92, 2800884), (138, 1867256), (184, 1400442), (276, 933628), (368, 700221), (552, 466814), (1104, 233407)]