678726062

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{2857}}^1$

素因数の和:3176

約数の個数: 32

約数和(自身を含む): 1185269760

約数和(自身を除く): 506543698

約数列:

[1, 2, 7, 14, 71, 142, 239, 478, 497, 994, 1673, 2857, 3346, 5714, 16969, 19999, 33938, 39998, 118783, 202847, 237566, 405694, 682823, 1365646, 1419929, 2839858, 4779761, 9559522, 48480433, 96960866, 339363031, 678726062]

約数ペア:

[(1, 678726062), (2, 339363031), (7, 96960866), (14, 48480433), (71, 9559522), (142, 4779761), (239, 2839858), (478, 1419929), (497, 1365646), (994, 682823), (1673, 405694), (2857, 237566), (3346, 202847), (5714, 118783), (16969, 39998), (19999, 33938)]