25283661

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 38640000

約数和(自身を除く): 13356339

約数列:

[1, 3, 13, 19, 39, 57, 149, 229, 247, 447, 687, 741, 1937, 2831, 2977, 4351, 5811, 8493, 8931, 13053, 34121, 36803, 56563, 102363, 110409, 169689, 443573, 648299, 1330719, 1944897, 8427887, 25283661]

約数ペア:

[(1, 25283661), (3, 8427887), (13, 1944897), (19, 1330719), (39, 648299), (57, 443573), (149, 169689), (229, 110409), (247, 102363), (447, 56563), (687, 36803), (741, 34121), (1937, 13053), (2831, 8931), (2977, 8493), (4351, 5811)]