74481421

素因数分解:

$7^4\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:558

約数の個数: 20

約数和(自身を含む): 88377152

約数和(自身を除く): 13895731

約数列:

[1, 7, 49, 67, 343, 463, 469, 2401, 3241, 3283, 22687, 22981, 31021, 158809, 160867, 217147, 1111663, 1520029, 10640203, 74481421]

約数ペア:

[(1, 74481421), (7, 10640203), (49, 1520029), (67, 1111663), (343, 217147), (463, 160867), (469, 158809), (2401, 31021), (3241, 22981), (3283, 22687)]