66728123

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{977}}^1$

素因数の和:1882

約数の個数: 16

約数和(自身を含む): 83372544

約数和(自身を除く): 16644421

約数列:

[1, 7, 11, 77, 887, 977, 6209, 6839, 9757, 10747, 68299, 75229, 866599, 6066193, 9532589, 66728123]

約数ペア:

[(1, 66728123), (7, 9532589), (11, 6066193), (77, 866599), (887, 75229), (977, 68299), (6209, 10747), (6839, 9757)]