81591638

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{5689}}^1$

素因数の和:5863

約数の個数: 16

約数和(自身を含む): 125362080

約数和(自身を除く): 43770442

約数列:

[1, 2, 71, 101, 142, 202, 5689, 7171, 11378, 14342, 403919, 574589, 807838, 1149178, 40795819, 81591638]

約数ペア:

[(1, 81591638), (2, 40795819), (71, 1149178), (101, 807838), (142, 574589), (202, 403919), (5689, 14342), (7171, 11378)]