221564738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{142211}}^1$

素因数の和:142273

約数の個数: 16

約数和(自身を含む): 358374240

約数和(自身を除く): 136809502

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 142211, 284422, 2702009, 5404018, 5830651, 11661302, 110782369, 221564738]

約数ペア:

[(1, 221564738), (2, 110782369), (19, 11661302), (38, 5830651), (41, 5404018), (82, 2702009), (779, 284422), (1558, 142211)]