28616185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 14929415

約数列:

[1, 5, 13, 17, 19, 29, 47, 65, 85, 95, 145, 221, 235, 247, 323, 377, 493, 551, 611, 799, 893, 1105, 1235, 1363, 1615, 1885, 2465, 2755, 3055, 3995, 4199, 4465, 6409, 6815, 7163, 9367, 10387, 11609, 15181, 17719, 20995, 23171, 25897, 32045, 35815, 46835, 51935, 58045, 75905, 88595, 115855, 121771, 129485, 197353, 301223, 336661, 440249, 608855, 986765, 1506115, 1683305, 2201245, 5723237, 28616185]

約数ペア:

[(1, 28616185), (5, 5723237), (13, 2201245), (17, 1683305), (19, 1506115), (29, 986765), (47, 608855), (65, 440249), (85, 336661), (95, 301223), (145, 197353), (221, 129485), (235, 121771), (247, 115855), (323, 88595), (377, 75905), (493, 58045), (551, 51935), (611, 46835), (799, 35815), (893, 32045), (1105, 25897), (1235, 23171), (1363, 20995), (1615, 17719), (1885, 15181), (2465, 11609), (2755, 10387), (3055, 9367), (3995, 7163), (4199, 6815), (4465, 6409)]