30791268

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{19891}}^1$

素因数の和:19944

約数の個数: 36

約数和(自身を含む): 79647568

約数和(自身を除く): 48856300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 19891, 39782, 59673, 79564, 119346, 179019, 238692, 358038, 716076, 855313, 1710626, 2565939, 3421252, 5131878, 7697817, 10263756, 15395634, 30791268]

約数ペア:

[(1, 30791268), (2, 15395634), (3, 10263756), (4, 7697817), (6, 5131878), (9, 3421252), (12, 2565939), (18, 1710626), (36, 855313), (43, 716076), (86, 358038), (129, 238692), (172, 179019), (258, 119346), (387, 79564), (516, 59673), (774, 39782), (1548, 19891)]