156929204572

素因数分解:

$2^2\times 7^2\times {\mathrm{1997}}^1\times {\mathrm{400931}}^1$

素因数の和:402946

約数の個数: 36

約数和(自身を含む): 319623792264

約数和(自身を除く): 162694587692

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1997, 3994, 7988, 13979, 27958, 55916, 97853, 195706, 391412, 400931, 801862, 1603724, 2806517, 5613034, 11226068, 19645619, 39291238, 78582476, 800659207, 1601318414, 3202636828, 5604614449, 11209228898, 22418457796, 39232301143, 78464602286, 156929204572]

約数ペア:

[(1, 156929204572), (2, 78464602286), (4, 39232301143), (7, 22418457796), (14, 11209228898), (28, 5604614449), (49, 3202636828), (98, 1601318414), (196, 800659207), (1997, 78582476), (3994, 39291238), (7988, 19645619), (13979, 11226068), (27958, 5613034), (55916, 2806517), (97853, 1603724), (195706, 801862), (391412, 400931)]