121392728

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 233280000

約数和(自身を除く): 111887272

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 499, 647, 998, 1294, 1996, 2588, 3992, 5176, 23453, 30409, 46906, 60818, 93812, 121636, 187624, 243272, 322853, 645706, 1291412, 2582824, 15174091, 30348182, 60696364, 121392728]

約数ペア:

[(1, 121392728), (2, 60696364), (4, 30348182), (8, 15174091), (47, 2582824), (94, 1291412), (188, 645706), (376, 322853), (499, 243272), (647, 187624), (998, 121636), (1294, 93812), (1996, 60818), (2588, 46906), (3992, 30409), (5176, 23453)]