217873488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{648433}}^1$

素因数の和:648451

約数の個数: 40

約数和(自身を含む): 643246528

約数和(自身を除く): 425373040

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 648433, 1296866, 1945299, 2593732, 3890598, 4539031, 5187464, 7781196, 9078062, 10374928, 13617093, 15562392, 18156124, 27234186, 31124784, 36312248, 54468372, 72624496, 108936744, 217873488]

約数ペア:

[(1, 217873488), (2, 108936744), (3, 72624496), (4, 54468372), (6, 36312248), (7, 31124784), (8, 27234186), (12, 18156124), (14, 15562392), (16, 13617093), (21, 10374928), (24, 9078062), (28, 7781196), (42, 5187464), (48, 4539031), (56, 3890598), (84, 2593732), (112, 1945299), (168, 1296866), (336, 648433)]