28121106

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5381}}^1$

素因数の和:5466

約数の個数: 32

約数和(自身を含む): 61483968

約数和(自身を除く): 33362862

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 5381, 10762, 16143, 32286, 69953, 139906, 209859, 360527, 419718, 721054, 1081581, 2163162, 4686851, 9373702, 14060553, 28121106]

約数ペア:

[(1, 28121106), (2, 14060553), (3, 9373702), (6, 4686851), (13, 2163162), (26, 1081581), (39, 721054), (67, 419718), (78, 360527), (134, 209859), (201, 139906), (402, 69953), (871, 32286), (1742, 16143), (2613, 10762), (5226, 5381)]