81653905

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{3433}}^1$

素因数の和:3576

約数の個数: 16

約数和(自身を含む): 100877184

約数和(自身を除く): 19223279

約数列:

[1, 5, 67, 71, 335, 355, 3433, 4757, 17165, 23785, 230011, 243743, 1150055, 1218715, 16330781, 81653905]

約数ペア:

[(1, 81653905), (5, 16330781), (67, 1218715), (71, 1150055), (335, 243743), (355, 230011), (3433, 23785), (4757, 17165)]