25394876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 50139936

約数和(自身を除く): 24745060

約数列:

[1, 2, 4, 13, 26, 37, 52, 67, 74, 134, 148, 197, 268, 394, 481, 788, 871, 962, 1742, 1924, 2479, 2561, 3484, 4958, 5122, 7289, 9916, 10244, 13199, 14578, 26398, 29156, 32227, 52796, 64454, 94757, 128908, 171587, 189514, 343174, 379028, 488363, 686348, 976726, 1953452, 6348719, 12697438, 25394876]

約数ペア:

[(1, 25394876), (2, 12697438), (4, 6348719), (13, 1953452), (26, 976726), (37, 686348), (52, 488363), (67, 379028), (74, 343174), (134, 189514), (148, 171587), (197, 128908), (268, 94757), (394, 64454), (481, 52796), (788, 32227), (871, 29156), (962, 26398), (1742, 14578), (1924, 13199), (2479, 10244), (2561, 9916), (3484, 7289), (4958, 5122)]