199910978

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 317338560

約数和(自身を除く): 117427582

約数列:

[1, 2, 29, 58, 83, 131, 166, 262, 317, 634, 2407, 3799, 4814, 7598, 9193, 10873, 18386, 21746, 26311, 41527, 52622, 83054, 315317, 630634, 763019, 1204283, 1526038, 2408566, 3446741, 6893482, 99955489, 199910978]

約数ペア:

[(1, 199910978), (2, 99955489), (29, 6893482), (58, 3446741), (83, 2408566), (131, 1526038), (166, 1204283), (262, 763019), (317, 630634), (634, 315317), (2407, 83054), (3799, 52622), (4814, 41527), (7598, 26311), (9193, 21746), (10873, 18386)]