81383885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{27919}}^1$

素因数の和:27988

約数の個数: 16

約数和(自身を含む): 108552960

約数和(自身を除く): 27169075

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 27919, 139595, 307109, 1479707, 1535545, 7398535, 16276777, 81383885]

約数ペア:

[(1, 81383885), (5, 16276777), (11, 7398535), (53, 1535545), (55, 1479707), (265, 307109), (583, 139595), (2915, 27919)]