25548159

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 18692961

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 377, 461, 609, 637, 1131, 1383, 1421, 1911, 2639, 3227, 4263, 5993, 7917, 9681, 13369, 17979, 18473, 22589, 40107, 41951, 55419, 67767, 93583, 125853, 173797, 280749, 293657, 521391, 655081, 880971, 1216579, 1965243, 3649737, 8516053, 25548159]

約数ペア:

[(1, 25548159), (3, 8516053), (7, 3649737), (13, 1965243), (21, 1216579), (29, 880971), (39, 655081), (49, 521391), (87, 293657), (91, 280749), (147, 173797), (203, 125853), (273, 93583), (377, 67767), (461, 55419), (609, 41951), (637, 40107), (1131, 22589), (1383, 18473), (1421, 17979), (1911, 13369), (2639, 9681), (3227, 7917), (4263, 5993)]