81362288

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11909}}^1$

素因数の和:11985

約数の個数: 40

約数和(自身を含む): 183128160

約数和(自身を除く): 101765872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 11909, 23818, 47636, 83363, 95272, 166726, 190544, 333452, 666904, 726449, 1333808, 1452898, 2905796, 5085143, 5811592, 10170286, 11623184, 20340572, 40681144, 81362288]

約数ペア:

[(1, 81362288), (2, 40681144), (4, 20340572), (7, 11623184), (8, 10170286), (14, 5811592), (16, 5085143), (28, 2905796), (56, 1452898), (61, 1333808), (112, 726449), (122, 666904), (244, 333452), (427, 190544), (488, 166726), (854, 95272), (976, 83363), (1708, 47636), (3416, 23818), (6832, 11909)]