25987156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7459}}^1$

素因数の和:7543

約数の個数: 24

約数和(自身を含む): 49713440

約数和(自身を除く): 23726284

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 7459, 14918, 29836, 96967, 193934, 387868, 499753, 999506, 1999012, 6496789, 12993578, 25987156]

約数ペア:

[(1, 25987156), (2, 12993578), (4, 6496789), (13, 1999012), (26, 999506), (52, 499753), (67, 387868), (134, 193934), (268, 96967), (871, 29836), (1742, 14918), (3484, 7459)]