28978164

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{5791}}^1$

素因数の和:5940

約数の個数: 36

約数和(自身を含む): 73790080

約数和(自身を除く): 44811916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 5791, 11582, 17373, 23164, 34746, 52119, 69492, 104238, 208476, 804949, 1609898, 2414847, 3219796, 4829694, 7244541, 9659388, 14489082, 28978164]

約数ペア:

[(1, 28978164), (2, 14489082), (3, 9659388), (4, 7244541), (6, 4829694), (9, 3219796), (12, 2414847), (18, 1609898), (36, 804949), (139, 208476), (278, 104238), (417, 69492), (556, 52119), (834, 34746), (1251, 23164), (1668, 17373), (2502, 11582), (5004, 5791)]