261580518

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{2281}}^1$

素因数の和:2589

約数の個数: 48

約数和(自身を含む): 593794656

約数和(自身を除く): 332214138

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 277, 414, 554, 831, 1662, 2281, 2493, 4562, 4986, 6371, 6843, 12742, 13686, 19113, 20529, 38226, 41058, 52463, 57339, 104926, 114678, 157389, 314778, 472167, 631837, 944334, 1263674, 1895511, 3791022, 5686533, 11373066, 14532251, 29064502, 43596753, 87193506, 130790259, 261580518]

約数ペア:

[(1, 261580518), (2, 130790259), (3, 87193506), (6, 43596753), (9, 29064502), (18, 14532251), (23, 11373066), (46, 5686533), (69, 3791022), (138, 1895511), (207, 1263674), (277, 944334), (414, 631837), (554, 472167), (831, 314778), (1662, 157389), (2281, 114678), (2493, 104926), (4562, 57339), (4986, 52463), (6371, 41058), (6843, 38226), (12742, 20529), (13686, 19113)]