81513794

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{10243}}^1$

素因数の和:10441

約数の個数: 16

約数和(自身を含む): 128336832

約数和(自身を除く): 46823038

約数列:

[1, 2, 23, 46, 173, 346, 3979, 7958, 10243, 20486, 235589, 471178, 1772039, 3544078, 40756897, 81513794]

約数ペア:

[(1, 81513794), (2, 40756897), (23, 3544078), (46, 1772039), (173, 471178), (346, 235589), (3979, 20486), (7958, 10243)]