68921942

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{3989}}^1$

素因数の和:4207

約数の個数: 16

約数和(自身を含む): 106006320

約数和(自身を除く): 37084378

約数列:

[1, 2, 53, 106, 163, 326, 3989, 7978, 8639, 17278, 211417, 422834, 650207, 1300414, 34460971, 68921942]

約数ペア:

[(1, 68921942), (2, 34460971), (53, 1300414), (106, 650207), (163, 422834), (326, 211417), (3989, 17278), (7978, 8639)]