81757870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{953}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 154135872

約数和(自身を除く): 72378002

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 373, 746, 953, 1865, 1906, 3730, 4765, 8579, 9530, 17158, 21919, 42895, 43838, 85790, 109595, 219190, 355469, 710938, 1777345, 3554690, 8175787, 16351574, 40878935, 81757870]

約数ペア:

[(1, 81757870), (2, 40878935), (5, 16351574), (10, 8175787), (23, 3554690), (46, 1777345), (115, 710938), (230, 355469), (373, 219190), (746, 109595), (953, 85790), (1865, 43838), (1906, 42895), (3730, 21919), (4765, 17158), (8579, 9530)]