28243438

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1571}}^1$

素因数の和:1763

約数の個数: 16

約数和(自身を含む): 43292880

約数和(自身を除く): 15049442

約数列:

[1, 2, 89, 101, 178, 202, 1571, 3142, 8989, 17978, 139819, 158671, 279638, 317342, 14121719, 28243438]

約数ペア:

[(1, 28243438), (2, 14121719), (89, 317342), (101, 279638), (178, 158671), (202, 139819), (1571, 17978), (3142, 8989)]