221217871024

素因数分解:

$2^4\times {\mathrm{8179}}^1\times {\mathrm{1690441}}^1$

素因数の和:1698628

約数の個数: 20

約数和(自身を含む): 428662282360

約数和(自身を除く): 207444411336

約数列:

[1, 2, 4, 8, 16, 8179, 16358, 32716, 65432, 130864, 1690441, 3380882, 6761764, 13523528, 27047056, 13826116939, 27652233878, 55304467756, 110608935512, 221217871024]

約数ペア:

[(1, 221217871024), (2, 110608935512), (4, 55304467756), (8, 27652233878), (16, 13826116939), (8179, 27047056), (16358, 13523528), (32716, 6761764), (65432, 3380882), (130864, 1690441)]