28002455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 37595520

約数和(自身を除く): 9593065

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 1069, 2015, 5239, 5345, 13897, 26195, 33139, 69485, 165695, 180661, 430807, 903305, 2154035, 5600491, 28002455]

約数ペア:

[(1, 28002455), (5, 5600491), (13, 2154035), (31, 903305), (65, 430807), (155, 180661), (169, 165695), (403, 69485), (845, 33139), (1069, 26195), (2015, 13897), (5239, 5345)]