215972162

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{3877}}^1$

素因数の和:4082

約数の個数: 32

約数和(自身を含む): 388668672

約数和(自身を除く): 172696510

約数列:

[1, 2, 7, 14, 23, 46, 161, 173, 322, 346, 1211, 2422, 3877, 3979, 7754, 7958, 27139, 27853, 54278, 55706, 89171, 178342, 624197, 670721, 1248394, 1341442, 4695047, 9390094, 15426583, 30853166, 107986081, 215972162]

約数ペア:

[(1, 215972162), (2, 107986081), (7, 30853166), (14, 15426583), (23, 9390094), (46, 4695047), (161, 1341442), (173, 1248394), (322, 670721), (346, 624197), (1211, 178342), (2422, 89171), (3877, 55706), (3979, 54278), (7754, 27853), (7958, 27139)]