66639524

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139999}}^1$

素因数の和:140027

約数の個数: 24

約数和(自身を含む): 141120000

約数和(自身を除く): 74480476

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 139999, 279998, 559996, 979993, 1959986, 2379983, 3919972, 4759966, 9519932, 16659881, 33319762, 66639524]

約数ペア:

[(1, 66639524), (2, 33319762), (4, 16659881), (7, 9519932), (14, 4759966), (17, 3919972), (28, 2379983), (34, 1959986), (68, 979993), (119, 559996), (238, 279998), (476, 139999)]