28190198

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2011}}^1$

素因数の和:2219

約数の個数: 16

約数和(自身を含む): 43555776

約数和(自身を除く): 15365578

約数列:

[1, 2, 43, 86, 163, 326, 2011, 4022, 7009, 14018, 86473, 172946, 327793, 655586, 14095099, 28190198]

約数ペア:

[(1, 28190198), (2, 14095099), (43, 655586), (86, 327793), (163, 172946), (326, 86473), (2011, 14018), (4022, 7009)]