128668813

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{15887}}^1$

素因数の和:15996

約数の個数: 16

約数和(自身を含む): 160151040

約数和(自身を除く): 31482227

約数列:

[1, 7, 13, 89, 91, 623, 1157, 8099, 15887, 111209, 206531, 1413943, 1445717, 9897601, 18381259, 128668813]

約数ペア:

[(1, 128668813), (7, 18381259), (13, 9897601), (89, 1445717), (91, 1413943), (623, 206531), (1157, 111209), (8099, 15887)]