28890446

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 49841568

約数和(自身を除く): 20951122

約数列:

[1, 2, 13, 17, 26, 34, 163, 221, 326, 401, 442, 802, 2119, 2771, 4238, 5213, 5542, 6817, 10426, 13634, 36023, 65363, 72046, 88621, 130726, 177242, 849719, 1111171, 1699438, 2222342, 14445223, 28890446]

約数ペア:

[(1, 28890446), (2, 14445223), (13, 2222342), (17, 1699438), (26, 1111171), (34, 849719), (163, 177242), (221, 130726), (326, 88621), (401, 72046), (442, 65363), (802, 36023), (2119, 13634), (2771, 10426), (4238, 6817), (5213, 5542)]