215540976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{641491}}^1$

素因数の和:641509

約数の個数: 40

約数和(自身を含む): 636360064

約数和(自身を除く): 420819088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 641491, 1282982, 1924473, 2565964, 3848946, 4490437, 5131928, 7697892, 8980874, 10263856, 13471311, 15395784, 17961748, 26942622, 30791568, 35923496, 53885244, 71846992, 107770488, 215540976]

約数ペア:

[(1, 215540976), (2, 107770488), (3, 71846992), (4, 53885244), (6, 35923496), (7, 30791568), (8, 26942622), (12, 17961748), (14, 15395784), (16, 13471311), (21, 10263856), (24, 8980874), (28, 7697892), (42, 5131928), (48, 4490437), (56, 3848946), (84, 2565964), (112, 1924473), (168, 1282982), (336, 641491)]