216977986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139267}}^1$

素因数の和:139329

約数の個数: 16

約数和(自身を含む): 350955360

約数和(自身を除く): 133977374

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 139267, 278534, 2646073, 5292146, 5709947, 11419894, 108488993, 216977986]

約数ペア:

[(1, 216977986), (2, 108488993), (19, 11419894), (38, 5709947), (41, 5292146), (82, 2646073), (779, 278534), (1558, 139267)]