28173902

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{1259}}^1$

素因数の和:1495

約数の個数: 16

約数和(自身を含む): 43182720

約数和(自身を除く): 15008818

約数列:

[1, 2, 67, 134, 167, 334, 1259, 2518, 11189, 22378, 84353, 168706, 210253, 420506, 14086951, 28173902]

約数ペア:

[(1, 28173902), (2, 14086951), (67, 420506), (134, 210253), (167, 168706), (334, 84353), (1259, 22378), (2518, 11189)]