39920778

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 90881856

約数和(自身を除く): 50961078

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 211, 414, 422, 457, 633, 914, 1266, 1371, 1899, 2742, 3798, 4113, 4853, 8226, 9706, 10511, 14559, 21022, 29118, 31533, 43677, 63066, 87354, 94599, 96427, 189198, 192854, 289281, 578562, 867843, 1735686, 2217821, 4435642, 6653463, 13306926, 19960389, 39920778]

約数ペア:

[(1, 39920778), (2, 19960389), (3, 13306926), (6, 6653463), (9, 4435642), (18, 2217821), (23, 1735686), (46, 867843), (69, 578562), (138, 289281), (207, 192854), (211, 189198), (414, 96427), (422, 94599), (457, 87354), (633, 63066), (914, 43677), (1266, 31533), (1371, 29118), (1899, 21022), (2742, 14559), (3798, 10511), (4113, 9706), (4853, 8226)]