638996825978

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1\times {\mathrm{1981619}}^1$

素因数の和:1982402

約数の個数: 32

約数和(自身を含む): 1132281815040

約数和(自身を除く): 493284989062

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 743, 1486, 5201, 10402, 23033, 46066, 161231, 322462, 1981619, 3963238, 13871333, 27742666, 61430189, 122860378, 430011323, 860022646, 1472342917, 2944685834, 10306400419, 20612800838, 45642630427, 91285260854, 319498412989, 638996825978]

約数ペア:

[(1, 638996825978), (2, 319498412989), (7, 91285260854), (14, 45642630427), (31, 20612800838), (62, 10306400419), (217, 2944685834), (434, 1472342917), (743, 860022646), (1486, 430011323), (5201, 122860378), (10402, 61430189), (23033, 27742666), (46066, 13871333), (161231, 3963238), (322462, 1981619)]