64804516

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{673}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 137388160

約数和(自身を除く): 72583644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 181, 266, 362, 532, 673, 724, 1267, 1346, 2534, 2692, 3439, 4711, 5068, 6878, 9422, 12787, 13756, 18844, 24073, 25574, 48146, 51148, 89509, 96292, 121813, 179018, 243626, 358036, 487252, 852691, 1705382, 2314447, 3410764, 4628894, 9257788, 16201129, 32402258, 64804516]

約数ペア:

[(1, 64804516), (2, 32402258), (4, 16201129), (7, 9257788), (14, 4628894), (19, 3410764), (28, 2314447), (38, 1705382), (76, 852691), (133, 487252), (181, 358036), (266, 243626), (362, 179018), (532, 121813), (673, 96292), (724, 89509), (1267, 51148), (1346, 48146), (2534, 25574), (2692, 24073), (3439, 18844), (4711, 13756), (5068, 12787), (6878, 9422)]