199149868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 375661440

約数和(自身を除く): 176511572

約数列:

[1, 2, 4, 19, 38, 76, 83, 131, 166, 241, 262, 332, 482, 524, 964, 1577, 2489, 3154, 4579, 4978, 6308, 9158, 9956, 10873, 18316, 20003, 21746, 31571, 40006, 43492, 63142, 80012, 126284, 206587, 380057, 413174, 599849, 760114, 826348, 1199698, 1520228, 2399396, 2620393, 5240786, 10481572, 49787467, 99574934, 199149868]

約数ペア:

[(1, 199149868), (2, 99574934), (4, 49787467), (19, 10481572), (38, 5240786), (76, 2620393), (83, 2399396), (131, 1520228), (166, 1199698), (241, 826348), (262, 760114), (332, 599849), (482, 413174), (524, 380057), (964, 206587), (1577, 126284), (2489, 80012), (3154, 63142), (4579, 43492), (4978, 40006), (6308, 31571), (9158, 21746), (9956, 20003), (10873, 18316)]