28007818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3557}}^1$

素因数の和:3717

約数の個数: 16

約数和(自身を含む): 43720704

約数和(自身を除く): 15712886

約数列:

[1, 2, 31, 62, 127, 254, 3557, 3937, 7114, 7874, 110267, 220534, 451739, 903478, 14003909, 28007818]

約数ペア:

[(1, 28007818), (2, 14003909), (31, 903478), (62, 451739), (127, 220534), (254, 110267), (3557, 7874), (3937, 7114)]