28189982

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2963}}^1$

素因数の和:3103

約数の個数: 16

約数和(自身を含む): 43535232

約数和(自身を除く): 15345250

約数列:

[1, 2, 67, 71, 134, 142, 2963, 4757, 5926, 9514, 198521, 210373, 397042, 420746, 14094991, 28189982]

約数ペア:

[(1, 28189982), (2, 14094991), (67, 420746), (71, 397042), (134, 210373), (142, 198521), (2963, 9514), (4757, 5926)]