128514356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 246758400

約数和(自身を除く): 118244044

約数列:

[1, 2, 4, 17, 34, 47, 68, 79, 94, 158, 188, 316, 509, 799, 1018, 1343, 1598, 2036, 2686, 3196, 3713, 5372, 7426, 8653, 14852, 17306, 23923, 34612, 40211, 47846, 63121, 80422, 95692, 126242, 160844, 252484, 406691, 683587, 813382, 1367174, 1626764, 1889917, 2734348, 3779834, 7559668, 32128589, 64257178, 128514356]

約数ペア:

[(1, 128514356), (2, 64257178), (4, 32128589), (17, 7559668), (34, 3779834), (47, 2734348), (68, 1889917), (79, 1626764), (94, 1367174), (158, 813382), (188, 683587), (316, 406691), (509, 252484), (799, 160844), (1018, 126242), (1343, 95692), (1598, 80422), (2036, 63121), (2686, 47846), (3196, 40211), (3713, 34612), (5372, 23923), (7426, 17306), (8653, 14852)]