668542

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:132

約数の個数: 24

約数和(自身を含む): 1236816

約数和(自身を除く): 568274

約数列:

[1, 2, 7, 14, 17, 34, 53, 106, 119, 238, 371, 742, 901, 1802, 2809, 5618, 6307, 12614, 19663, 39326, 47753, 95506, 334271, 668542]

約数ペア:

[(1, 668542), (2, 334271), (7, 95506), (14, 47753), (17, 39326), (34, 19663), (53, 12614), (106, 6307), (119, 5618), (238, 2809), (371, 1802), (742, 901)]