25957581

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 13354419

約数列:

[1, 3, 13, 29, 39, 59, 87, 177, 377, 389, 767, 1131, 1167, 1711, 2301, 5057, 5133, 11281, 15171, 22243, 22951, 33843, 66729, 68853, 146653, 298363, 439959, 665579, 895089, 1996737, 8652527, 25957581]

約数ペア:

[(1, 25957581), (3, 8652527), (13, 1996737), (29, 895089), (39, 665579), (59, 439959), (87, 298363), (177, 146653), (377, 68853), (389, 66729), (767, 33843), (1131, 22951), (1167, 22243), (1711, 15171), (2301, 11281), (5057, 5133)]