79781468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{19421}}^1$

素因数の和:19517

約数の個数: 24

約数和(自身を含む): 152268480

約数和(自身を除く): 72487012

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 19421, 38842, 77684, 252473, 504946, 1009892, 1534259, 3068518, 6137036, 19945367, 39890734, 79781468]

約数ペア:

[(1, 79781468), (2, 39890734), (4, 19945367), (13, 6137036), (26, 3068518), (52, 1534259), (79, 1009892), (158, 504946), (316, 252473), (1027, 77684), (2054, 38842), (4108, 19421)]