128313815

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{28867}}^1$

素因数の和:29006

約数の個数: 16

約数和(自身を含む): 177364992

約数和(自身を除く): 49051177

約数列:

[1, 5, 7, 35, 127, 635, 889, 4445, 28867, 144335, 202069, 1010345, 3666109, 18330545, 25662763, 128313815]

約数ペア:

[(1, 128313815), (5, 25662763), (7, 18330545), (35, 3666109), (127, 1010345), (635, 202069), (889, 144335), (4445, 28867)]