181617982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 358364160

約数和(自身を除く): 176746178

約数列:

[1, 2, 7, 13, 14, 23, 26, 43, 46, 86, 91, 161, 182, 299, 301, 322, 559, 598, 602, 989, 1009, 1118, 1978, 2018, 2093, 3913, 4186, 6923, 7063, 7826, 12857, 13117, 13846, 14126, 23207, 25714, 26234, 43387, 46414, 86774, 89999, 91819, 162449, 179998, 183638, 301691, 303709, 324898, 564031, 603382, 607418, 997901, 1128062, 1995802, 2111837, 3948217, 4223674, 6985307, 7896434, 12972713, 13970614, 25945426, 90808991, 181617982]

約数ペア:

[(1, 181617982), (2, 90808991), (7, 25945426), (13, 13970614), (14, 12972713), (23, 7896434), (26, 6985307), (43, 4223674), (46, 3948217), (86, 2111837), (91, 1995802), (161, 1128062), (182, 997901), (299, 607418), (301, 603382), (322, 564031), (559, 324898), (598, 303709), (602, 301691), (989, 183638), (1009, 179998), (1118, 162449), (1978, 91819), (2018, 89999), (2093, 86774), (3913, 46414), (4186, 43387), (6923, 26234), (7063, 25714), (7826, 23207), (12857, 14126), (13117, 13846)]