221837264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1260439}}^1$

素因数の和:1260458

約数の個数: 20

約数和(自身を含む): 468883680

約数和(自身を除く): 247046416

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1260439, 2520878, 5041756, 10083512, 13864829, 20167024, 27729658, 55459316, 110918632, 221837264]

約数ペア:

[(1, 221837264), (2, 110918632), (4, 55459316), (8, 27729658), (11, 20167024), (16, 13864829), (22, 10083512), (44, 5041756), (88, 2520878), (176, 1260439)]