217666376

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{21407}}^1$

素因数の和:21485

約数の個数: 32

約数和(自身を含む): 431585280

約数和(自身を除く): 213918904

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 2542, 5084, 10168, 21407, 42814, 85628, 171256, 663617, 877687, 1327234, 1755374, 2654468, 3510748, 5308936, 7021496, 27208297, 54416594, 108833188, 217666376]

約数ペア:

[(1, 217666376), (2, 108833188), (4, 54416594), (8, 27208297), (31, 7021496), (41, 5308936), (62, 3510748), (82, 2654468), (124, 1755374), (164, 1327234), (248, 877687), (328, 663617), (1271, 171256), (2542, 85628), (5084, 42814), (10168, 21407)]