28001378

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 45045504

約数和(自身を除く): 17044126

約数列:

[1, 2, 37, 47, 74, 83, 94, 97, 166, 194, 1739, 3071, 3478, 3589, 3901, 4559, 6142, 7178, 7802, 8051, 9118, 16102, 144337, 168683, 288674, 297887, 337366, 378397, 595774, 756794, 14000689, 28001378]

約数ペア:

[(1, 28001378), (2, 14000689), (37, 756794), (47, 595774), (74, 378397), (83, 337366), (94, 297887), (97, 288674), (166, 168683), (194, 144337), (1739, 16102), (3071, 9118), (3478, 8051), (3589, 7802), (3901, 7178), (4559, 6142)]