221796386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{833821}}^1$

素因数の和:833849

約数の個数: 16

約数和(自身を含む): 400234560

約数和(自身を除く): 178438174

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 833821, 1667642, 5836747, 11673494, 15842599, 31685198, 110898193, 221796386]

約数ペア:

[(1, 221796386), (2, 110898193), (7, 31685198), (14, 15842599), (19, 11673494), (38, 5836747), (133, 1667642), (266, 833821)]