28491012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71947}}^1$

素因数の和:71968

約数の個数: 36

約数和(自身を含む): 78567216

約数和(自身を除く): 50076204

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 71947, 143894, 215841, 287788, 431682, 647523, 791417, 863364, 1295046, 1582834, 2374251, 2590092, 3165668, 4748502, 7122753, 9497004, 14245506, 28491012]

約数ペア:

[(1, 28491012), (2, 14245506), (3, 9497004), (4, 7122753), (6, 4748502), (9, 3165668), (11, 2590092), (12, 2374251), (18, 1582834), (22, 1295046), (33, 863364), (36, 791417), (44, 647523), (66, 431682), (99, 287788), (132, 215841), (198, 143894), (396, 71947)]