128993284

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{10789}}^1$

素因数の和:10868

約数の個数: 36

約数和(自身を含む): 266923020

約数和(自身を除く): 137929736

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 5978, 10789, 11956, 21578, 43156, 75523, 151046, 302092, 528661, 658129, 1057322, 1316258, 2114644, 2632516, 4606903, 9213806, 18427612, 32248321, 64496642, 128993284]

約数ペア:

[(1, 128993284), (2, 64496642), (4, 32248321), (7, 18427612), (14, 9213806), (28, 4606903), (49, 2632516), (61, 2114644), (98, 1316258), (122, 1057322), (196, 658129), (244, 528661), (427, 302092), (854, 151046), (1708, 75523), (2989, 43156), (5978, 21578), (10789, 11956)]