81531070

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{48821}}^1$

素因数の和:48995

約数の個数: 16

約数和(自身を含む): 147637728

約数和(自身を除く): 66106658

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 48821, 97642, 244105, 488210, 8153107, 16306214, 40765535, 81531070]

約数ペア:

[(1, 81531070), (2, 40765535), (5, 16306214), (10, 8153107), (167, 488210), (334, 244105), (835, 97642), (1670, 48821)]