25706564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 25774012

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 124, 148, 403, 431, 481, 806, 862, 962, 1147, 1612, 1724, 1924, 2294, 4588, 5603, 11206, 13361, 14911, 15947, 22412, 26722, 29822, 31894, 53444, 59644, 63788, 173693, 207311, 347386, 414622, 494357, 694772, 829244, 988714, 1977428, 6426641, 12853282, 25706564]

約数ペア:

[(1, 25706564), (2, 12853282), (4, 6426641), (13, 1977428), (26, 988714), (31, 829244), (37, 694772), (52, 494357), (62, 414622), (74, 347386), (124, 207311), (148, 173693), (403, 63788), (431, 59644), (481, 53444), (806, 31894), (862, 29822), (962, 26722), (1147, 22412), (1612, 15947), (1724, 14911), (1924, 13361), (2294, 11206), (4588, 5603)]