64871891

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8573}}^1$

素因数の和:8650

約数の個数: 16

約数和(自身を含む): 79017984

約数和(自身を除く): 14146093

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 8573, 60011, 197179, 402931, 1380253, 2820517, 9267413, 64871891]

約数ペア:

[(1, 64871891), (7, 9267413), (23, 2820517), (47, 1380253), (161, 402931), (329, 197179), (1081, 60011), (7567, 8573)]