81437090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{3119}}^1$

素因数の和:3506

約数の個数: 32

約数和(自身を含む): 168030720

約数和(自身を除く): 86593630

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 373, 746, 1865, 2611, 3119, 3730, 5222, 6238, 13055, 15595, 21833, 26110, 31190, 43666, 109165, 218330, 1163387, 2326774, 5816935, 8143709, 11633870, 16287418, 40718545, 81437090]

約数ペア:

[(1, 81437090), (2, 40718545), (5, 16287418), (7, 11633870), (10, 8143709), (14, 5816935), (35, 2326774), (70, 1163387), (373, 218330), (746, 109165), (1865, 43666), (2611, 31190), (3119, 26110), (3730, 21833), (5222, 15595), (6238, 13055)]