128173661

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6427}}^1$

素因数の和:6489

約数の個数: 24

約数和(自身を含む): 167076576

約数和(自身を除く): 38902915

約数列:

[1, 7, 11, 37, 49, 77, 259, 407, 539, 1813, 2849, 6427, 19943, 44989, 70697, 237799, 314923, 494879, 1664593, 2615789, 3464153, 11652151, 18310523, 128173661]

約数ペア:

[(1, 128173661), (7, 18310523), (11, 11652151), (37, 3464153), (49, 2615789), (77, 1664593), (259, 494879), (407, 314923), (539, 237799), (1813, 70697), (2849, 44989), (6427, 19943)]