217804944

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{648229}}^1$

素因数の和:648247

約数の個数: 40

約数和(自身を含む): 643044160

約数和(自身を除く): 425239216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 648229, 1296458, 1944687, 2592916, 3889374, 4537603, 5185832, 7778748, 9075206, 10371664, 13612809, 15557496, 18150412, 27225618, 31114992, 36300824, 54451236, 72601648, 108902472, 217804944]

約数ペア:

[(1, 217804944), (2, 108902472), (3, 72601648), (4, 54451236), (6, 36300824), (7, 31114992), (8, 27225618), (12, 18150412), (14, 15557496), (16, 13612809), (21, 10371664), (24, 9075206), (28, 7778748), (42, 5185832), (48, 4537603), (56, 3889374), (84, 2592916), (112, 1944687), (168, 1296458), (336, 648229)]