181791428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3593}}^1$

素因数の和:3756

約数の個数: 48

約数和(自身を含む): 394477440

約数和(自身を除く): 212686012

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 556, 973, 1807, 1946, 3593, 3614, 3892, 7186, 7228, 12649, 14372, 25151, 25298, 46709, 50302, 50596, 93418, 100604, 186836, 326963, 499427, 653926, 998854, 1307852, 1997708, 3495989, 6492551, 6991978, 12985102, 13983956, 25970204, 45447857, 90895714, 181791428]

約数ペア:

[(1, 181791428), (2, 90895714), (4, 45447857), (7, 25970204), (13, 13983956), (14, 12985102), (26, 6991978), (28, 6492551), (52, 3495989), (91, 1997708), (139, 1307852), (182, 998854), (278, 653926), (364, 499427), (556, 326963), (973, 186836), (1807, 100604), (1946, 93418), (3593, 50596), (3614, 50302), (3892, 46709), (7186, 25298), (7228, 25151), (12649, 14372)]