289481528

素因数分解:

$2^3\times 7^1\times {\mathrm{673}}^1\times {\mathrm{7681}}^1$

素因数の和:8367

約数の個数: 32

約数和(自身を含む): 621320160

約数和(自身を除く): 331838632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 673, 1346, 2692, 4711, 5384, 7681, 9422, 15362, 18844, 30724, 37688, 53767, 61448, 107534, 215068, 430136, 5169313, 10338626, 20677252, 36185191, 41354504, 72370382, 144740764, 289481528]

約数ペア:

[(1, 289481528), (2, 144740764), (4, 72370382), (7, 41354504), (8, 36185191), (14, 20677252), (28, 10338626), (56, 5169313), (673, 430136), (1346, 215068), (2692, 107534), (4711, 61448), (5384, 53767), (7681, 37688), (9422, 30724), (15362, 18844)]