4070165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 5455296

約数和(自身を除く): 1385131

約数列:

[1, 5, 11, 43, 55, 215, 473, 1721, 2365, 8605, 18931, 74003, 94655, 370015, 814033, 4070165]

約数ペア:

[(1, 4070165), (5, 814033), (11, 370015), (43, 94655), (55, 74003), (215, 18931), (473, 8605), (1721, 2365)]