214922813

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{2521}}^1$

素因数の和:3188

約数の個数: 16

約数和(自身を含む): 259059840

約数和(自身を除く): 44137027

約数列:

[1, 7, 19, 133, 641, 2521, 4487, 12179, 17647, 47899, 85253, 335293, 1615961, 11311727, 30703259, 214922813]

約数ペア:

[(1, 214922813), (7, 30703259), (19, 11311727), (133, 1615961), (641, 335293), (2521, 85253), (4487, 47899), (12179, 17647)]