257526872

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{599}}^1\times {\mathrm{881}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 492156000

約数和(自身を除く): 234629128

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 599, 881, 1198, 1762, 2396, 3524, 4792, 7048, 36539, 53741, 73078, 107482, 146156, 214964, 292312, 429928, 527719, 1055438, 2110876, 4221752, 32190859, 64381718, 128763436, 257526872]

約数ペア:

[(1, 257526872), (2, 128763436), (4, 64381718), (8, 32190859), (61, 4221752), (122, 2110876), (244, 1055438), (488, 527719), (599, 429928), (881, 292312), (1198, 214964), (1762, 146156), (2396, 107482), (3524, 73078), (4792, 53741), (7048, 36539)]