28139994

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 66124800

約数和(自身を除く): 37984806

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 139, 163, 207, 278, 326, 414, 417, 489, 621, 834, 978, 1242, 1251, 1467, 2502, 2934, 3197, 3749, 3753, 4401, 6394, 7498, 7506, 8802, 9591, 11247, 19182, 22494, 22657, 28773, 33741, 45314, 57546, 67482, 67971, 86319, 101223, 135942, 172638, 202446, 203913, 407826, 521111, 611739, 1042222, 1223478, 1563333, 3126666, 4689999, 9379998, 14069997, 28139994]

約数ペア:

[(1, 28139994), (2, 14069997), (3, 9379998), (6, 4689999), (9, 3126666), (18, 1563333), (23, 1223478), (27, 1042222), (46, 611739), (54, 521111), (69, 407826), (138, 203913), (139, 202446), (163, 172638), (207, 135942), (278, 101223), (326, 86319), (414, 67971), (417, 67482), (489, 57546), (621, 45314), (834, 33741), (978, 28773), (1242, 22657), (1251, 22494), (1467, 19182), (2502, 11247), (2934, 9591), (3197, 8802), (3749, 7506), (3753, 7498), (4401, 6394)]