3987568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1049

約数の個数: 40

約数和(自身を含む): 8766800

約数和(自身を除く): 4779232

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1009, 1976, 2018, 3952, 4036, 8072, 13117, 16144, 19171, 26234, 38342, 52468, 76684, 104936, 153368, 209872, 249223, 306736, 498446, 996892, 1993784, 3987568]

約数ペア:

[(1, 3987568), (2, 1993784), (4, 996892), (8, 498446), (13, 306736), (16, 249223), (19, 209872), (26, 153368), (38, 104936), (52, 76684), (76, 52468), (104, 38342), (152, 26234), (208, 19171), (247, 16144), (304, 13117), (494, 8072), (988, 4036), (1009, 3952), (1976, 2018)]