81359035

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{5197}}^1$

素因数の和:5334

約数の個数: 16

約数和(自身を含む): 101797632

約数和(自身を除く): 20438597

約数列:

[1, 5, 31, 101, 155, 505, 3131, 5197, 15655, 25985, 161107, 524897, 805535, 2624485, 16271807, 81359035]

約数ペア:

[(1, 81359035), (5, 16271807), (31, 2624485), (101, 805535), (155, 524897), (505, 161107), (3131, 25985), (5197, 15655)]