66789821

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8377}}^1$

素因数の和:8468

約数の個数: 16

約数和(自身を含む): 82037376

約数和(自身を除く): 15247555

約数列:

[1, 7, 17, 67, 119, 469, 1139, 7973, 8377, 58639, 142409, 561259, 996863, 3928813, 9541403, 66789821]

約数ペア:

[(1, 66789821), (7, 9541403), (17, 3928813), (67, 996863), (119, 561259), (469, 142409), (1139, 58639), (7973, 8377)]