25680109

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 8027411

約数列:

[1, 7, 13, 29, 37, 91, 203, 259, 263, 377, 481, 1073, 1841, 2639, 3367, 3419, 7511, 7627, 9731, 13949, 23933, 53389, 68117, 97643, 99151, 126503, 282199, 694057, 885521, 1975393, 3668587, 25680109]

約数ペア:

[(1, 25680109), (7, 3668587), (13, 1975393), (29, 885521), (37, 694057), (91, 282199), (203, 126503), (259, 99151), (263, 97643), (377, 68117), (481, 53389), (1073, 23933), (1841, 13949), (2639, 9731), (3367, 7627), (3419, 7511)]