678342992

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:508

約数の個数: 60

約数和(自身を含む): 1371567348

約数和(自身を除く): 693224356

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 281, 314, 496, 562, 628, 961, 1124, 1256, 1922, 2248, 2512, 3844, 4496, 4867, 7688, 8711, 9734, 15376, 17422, 19468, 34844, 38936, 44117, 69688, 77872, 88234, 139376, 150877, 176468, 270041, 301754, 352936, 540082, 603508, 705872, 1080164, 1207016, 1367627, 2160328, 2414032, 2735254, 4320656, 5470508, 10941016, 21882032, 42396437, 84792874, 169585748, 339171496, 678342992]

約数ペア:

[(1, 678342992), (2, 339171496), (4, 169585748), (8, 84792874), (16, 42396437), (31, 21882032), (62, 10941016), (124, 5470508), (157, 4320656), (248, 2735254), (281, 2414032), (314, 2160328), (496, 1367627), (562, 1207016), (628, 1080164), (961, 705872), (1124, 603508), (1256, 540082), (1922, 352936), (2248, 301754), (2512, 270041), (3844, 176468), (4496, 150877), (4867, 139376), (7688, 88234), (8711, 77872), (9734, 69688), (15376, 44117), (17422, 38936), (19468, 34844)]