239997318

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4273}}^1$

素因数の和:4349

約数の個数: 64

約数和(自身を含む): 561295872

約数和(自身を除く): 321298554

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 37, 46, 66, 69, 74, 111, 138, 222, 253, 407, 506, 759, 814, 851, 1221, 1518, 1702, 2442, 2553, 4273, 5106, 8546, 9361, 12819, 18722, 25638, 28083, 47003, 56166, 94006, 98279, 141009, 158101, 196558, 282018, 294837, 316202, 474303, 589674, 948606, 1081069, 1739111, 2162138, 3243207, 3478222, 3636323, 5217333, 6486414, 7272646, 10434666, 10908969, 21817938, 39999553, 79999106, 119998659, 239997318]

約数ペア:

[(1, 239997318), (2, 119998659), (3, 79999106), (6, 39999553), (11, 21817938), (22, 10908969), (23, 10434666), (33, 7272646), (37, 6486414), (46, 5217333), (66, 3636323), (69, 3478222), (74, 3243207), (111, 2162138), (138, 1739111), (222, 1081069), (253, 948606), (407, 589674), (506, 474303), (759, 316202), (814, 294837), (851, 282018), (1221, 196558), (1518, 158101), (1702, 141009), (2442, 98279), (2553, 94006), (4273, 56166), (5106, 47003), (8546, 28083), (9361, 25638), (12819, 18722)]