128564714

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 206841600

約数和(自身を除く): 78276886

約数列:

[1, 2, 29, 37, 58, 74, 139, 278, 431, 862, 1073, 2146, 4031, 5143, 8062, 10286, 12499, 15947, 24998, 31894, 59909, 119818, 149147, 298294, 462463, 924926, 1737361, 2216633, 3474722, 4433266, 64282357, 128564714]

約数ペア:

[(1, 128564714), (2, 64282357), (29, 4433266), (37, 3474722), (58, 2216633), (74, 1737361), (139, 924926), (278, 462463), (431, 298294), (862, 149147), (1073, 119818), (2146, 59909), (4031, 31894), (5143, 24998), (8062, 15947), (10286, 12499)]