289421888

素因数分解:

$2^6\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2897}}^1$

素因数の和:3139

約数の個数: 56

約数和(自身を含む): 659538432

約数和(自身を除く): 370116544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 223, 224, 446, 448, 892, 1561, 1784, 2897, 3122, 3568, 5794, 6244, 7136, 11588, 12488, 14272, 20279, 23176, 24976, 40558, 46352, 49952, 81116, 92704, 99904, 162232, 185408, 324464, 646031, 648928, 1292062, 1297856, 2584124, 4522217, 5168248, 9044434, 10336496, 18088868, 20672992, 36177736, 41345984, 72355472, 144710944, 289421888]

約数ペア:

[(1, 289421888), (2, 144710944), (4, 72355472), (7, 41345984), (8, 36177736), (14, 20672992), (16, 18088868), (28, 10336496), (32, 9044434), (56, 5168248), (64, 4522217), (112, 2584124), (223, 1297856), (224, 1292062), (446, 648928), (448, 646031), (892, 324464), (1561, 185408), (1784, 162232), (2897, 99904), (3122, 92704), (3568, 81116), (5794, 49952), (6244, 46352), (7136, 40558), (11588, 24976), (12488, 23176), (14272, 20279)]