28134205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 11264195

約数列:

[1, 5, 11, 29, 31, 55, 145, 155, 319, 341, 569, 899, 1595, 1705, 2845, 4495, 6259, 9889, 16501, 17639, 31295, 49445, 82505, 88195, 181511, 194029, 511531, 907555, 970145, 2557655, 5626841, 28134205]

約数ペア:

[(1, 28134205), (5, 5626841), (11, 2557655), (29, 970145), (31, 907555), (55, 511531), (145, 194029), (155, 181511), (319, 88195), (341, 82505), (569, 49445), (899, 31295), (1595, 17639), (1705, 16501), (2845, 9889), (4495, 6259)]