81152008

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 180956160

約数和(自身を除く): 99804152

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 67, 86, 134, 172, 268, 301, 344, 469, 503, 536, 602, 938, 1006, 1204, 1876, 2012, 2408, 2881, 3521, 3752, 4024, 5762, 7042, 11524, 14084, 20167, 21629, 23048, 28168, 33701, 40334, 43258, 67402, 80668, 86516, 134804, 151403, 161336, 173032, 235907, 269608, 302806, 471814, 605612, 943628, 1211224, 1449143, 1887256, 2898286, 5796572, 10144001, 11593144, 20288002, 40576004, 81152008]

約数ペア:

[(1, 81152008), (2, 40576004), (4, 20288002), (7, 11593144), (8, 10144001), (14, 5796572), (28, 2898286), (43, 1887256), (56, 1449143), (67, 1211224), (86, 943628), (134, 605612), (172, 471814), (268, 302806), (301, 269608), (344, 235907), (469, 173032), (503, 161336), (536, 151403), (602, 134804), (938, 86516), (1006, 80668), (1204, 67402), (1876, 43258), (2012, 40334), (2408, 33701), (2881, 28168), (3521, 23048), (3752, 21629), (4024, 20167), (5762, 14084), (7042, 11524)]