220774328

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 420078960

約数和(自身を除く): 199304632

約数列:

[1, 2, 4, 8, 97, 194, 293, 388, 586, 776, 971, 1172, 1942, 2344, 3884, 7768, 28421, 56842, 94187, 113684, 188374, 227368, 284503, 376748, 569006, 753496, 1138012, 2276024, 27596791, 55193582, 110387164, 220774328]

約数ペア:

[(1, 220774328), (2, 110387164), (4, 55193582), (8, 27596791), (97, 2276024), (194, 1138012), (293, 753496), (388, 569006), (586, 376748), (776, 284503), (971, 227368), (1172, 188374), (1942, 113684), (2344, 94187), (3884, 56842), (7768, 28421)]