128166052

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{51431}}^1$

素因数の和:51531

約数の個数: 24

約数和(自身を含む): 259217280

約数和(自身を除く): 131051228

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 51431, 102862, 205724, 360017, 720034, 1440068, 4577359, 9154718, 18309436, 32041513, 64083026, 128166052]

約数ペア:

[(1, 128166052), (2, 64083026), (4, 32041513), (7, 18309436), (14, 9154718), (28, 4577359), (89, 1440068), (178, 720034), (356, 360017), (623, 205724), (1246, 102862), (2492, 51431)]