809969402

素因数分解:

$2^1\times {\mathrm{11}}^4\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 40

約数和(自身を含む): 1352820000

約数和(自身を除く): 542850598

約数列:

[1, 2, 11, 22, 121, 139, 199, 242, 278, 398, 1331, 1529, 2189, 2662, 3058, 4378, 14641, 16819, 24079, 27661, 29282, 33638, 48158, 55322, 185009, 264869, 304271, 370018, 529738, 608542, 2035099, 2913559, 3346981, 4070198, 5827118, 6693962, 36816791, 73633582, 404984701, 809969402]

約数ペア:

[(1, 809969402), (2, 404984701), (11, 73633582), (22, 36816791), (121, 6693962), (139, 5827118), (199, 4070198), (242, 3346981), (278, 2913559), (398, 2035099), (1331, 608542), (1529, 529738), (2189, 370018), (2662, 304271), (3058, 264869), (4378, 185009), (14641, 55322), (16819, 48158), (24079, 33638), (27661, 29282)]