217855344

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{648379}}^1$

素因数の和:648397

約数の個数: 40

約数和(自身を含む): 643192960

約数和(自身を除く): 425337616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 648379, 1296758, 1945137, 2593516, 3890274, 4538653, 5187032, 7780548, 9077306, 10374064, 13615959, 15561096, 18154612, 27231918, 31122192, 36309224, 54463836, 72618448, 108927672, 217855344]

約数ペア:

[(1, 217855344), (2, 108927672), (3, 72618448), (4, 54463836), (6, 36309224), (7, 31122192), (8, 27231918), (12, 18154612), (14, 15561096), (16, 13615959), (21, 10374064), (24, 9077306), (28, 7780548), (42, 5187032), (48, 4538653), (56, 3890274), (84, 2593516), (112, 1945137), (168, 1296758), (336, 648379)]