2219957999

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1\times {\mathrm{18119}}^1$

素因数の和:18910

約数の個数: 16

約数和(自身を含む): 2651028480

約数和(自身を除く): 431070481

約数列:

[1, 7, 23, 161, 761, 5327, 17503, 18119, 122521, 126833, 416737, 2917159, 13788559, 96519913, 317136857, 2219957999]

約数ペア:

[(1, 2219957999), (7, 317136857), (23, 96519913), (161, 13788559), (761, 2917159), (5327, 416737), (17503, 126833), (18119, 122521)]