81591396

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15559}}^1$

素因数の和:15608

約数の個数: 48

約数和(自身を含む): 209126400

約数和(自身を除く): 127535004

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 5244, 15559, 31118, 46677, 62236, 93354, 186708, 295621, 357857, 591242, 715714, 886863, 1073571, 1182484, 1431428, 1773726, 2147142, 3547452, 4294284, 6799283, 13598566, 20397849, 27197132, 40795698, 81591396]

約数ペア:

[(1, 81591396), (2, 40795698), (3, 27197132), (4, 20397849), (6, 13598566), (12, 6799283), (19, 4294284), (23, 3547452), (38, 2147142), (46, 1773726), (57, 1431428), (69, 1182484), (76, 1073571), (92, 886863), (114, 715714), (138, 591242), (228, 357857), (276, 295621), (437, 186708), (874, 93354), (1311, 62236), (1748, 46677), (2622, 31118), (5244, 15559)]