28786914

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{13669}}^1$

素因数の和:13696

約数の個数: 40

約数和(自身を含む): 69470940

約数和(自身を除く): 40684026

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 13669, 27338, 41007, 82014, 123021, 177697, 246042, 355394, 369063, 533091, 738126, 1066182, 1107189, 1599273, 2214378, 3198546, 4797819, 9595638, 14393457, 28786914]

約数ペア:

[(1, 28786914), (2, 14393457), (3, 9595638), (6, 4797819), (9, 3198546), (13, 2214378), (18, 1599273), (26, 1107189), (27, 1066182), (39, 738126), (54, 533091), (78, 369063), (81, 355394), (117, 246042), (162, 177697), (234, 123021), (351, 82014), (702, 41007), (1053, 27338), (2106, 13669)]