78642004

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{26249}}^1$

素因数の和:26367

約数の個数: 24

約数和(自身を含む): 158760000

約数和(自身を除く): 80117996

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 26249, 52498, 104996, 183743, 367486, 734972, 2808643, 5617286, 11234572, 19660501, 39321002, 78642004]

約数ペア:

[(1, 78642004), (2, 39321002), (4, 19660501), (7, 11234572), (14, 5617286), (28, 2808643), (107, 734972), (214, 367486), (428, 183743), (749, 104996), (1498, 52498), (2996, 26249)]