28227905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1061}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 36014544

約数和(自身を除く): 7786639

約数列:

[1, 5, 17, 85, 313, 1061, 1565, 5305, 5321, 18037, 26605, 90185, 332093, 1660465, 5645581, 28227905]

約数ペア:

[(1, 28227905), (5, 5645581), (17, 1660465), (85, 332093), (313, 90185), (1061, 26605), (1565, 18037), (5305, 5321)]