12456457

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 15321600

約数和(自身を除く): 2865143

約数列:

[1, 13, 19, 29, 37, 47, 247, 377, 481, 551, 611, 703, 893, 1073, 1363, 1739, 7163, 9139, 11609, 13949, 17719, 20387, 22607, 25897, 33041, 50431, 265031, 336661, 429533, 655603, 958189, 12456457]

約数ペア:

[(1, 12456457), (13, 958189), (19, 655603), (29, 429533), (37, 336661), (47, 265031), (247, 50431), (377, 33041), (481, 25897), (551, 22607), (611, 20387), (703, 17719), (893, 13949), (1073, 11609), (1363, 9139), (1739, 7163)]