81901535

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{14281}}^1$

素因数の和:14354

約数の個数: 16

約数和(自身を含む): 104201472

約数和(自身を除く): 22299937

約数列:

[1, 5, 31, 37, 155, 185, 1147, 5735, 14281, 71405, 442711, 528397, 2213555, 2641985, 16380307, 81901535]

約数ペア:

[(1, 81901535), (5, 16380307), (31, 2641985), (37, 2213555), (155, 528397), (185, 442711), (1147, 71405), (5735, 14281)]