90318995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{2161}}^1$

素因数の和:2822

約数の個数: 16

約数和(自身を含む): 116955552

約数和(自身を除く): 26636557

約数列:

[1, 5, 13, 65, 643, 2161, 3215, 8359, 10805, 28093, 41795, 140465, 1389523, 6947615, 18063799, 90318995]

約数ペア:

[(1, 90318995), (5, 18063799), (13, 6947615), (65, 1389523), (643, 140465), (2161, 41795), (3215, 28093), (8359, 10805)]