81908266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{18899}}^1$

素因数の和:19109

約数の個数: 16

約数和(自身を含む): 134719200

約数和(自身を除く): 52810934

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 18899, 37798, 207889, 415778, 3723103, 7446206, 40954133, 81908266]

約数ペア:

[(1, 81908266), (2, 40954133), (11, 7446206), (22, 3723103), (197, 415778), (394, 207889), (2167, 37798), (4334, 18899)]