1220408191805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{68697337}}^1$

素因数の和:68697389

約数の個数: 32

約数和(自身を含む): 1780635000960

約数和(自身を除く): 560226809155

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 935, 1045, 1615, 3553, 17765, 68697337, 343486685, 755670707, 1167854729, 1305249403, 3778353535, 5839273645, 6526247015, 12846402019, 14357743433, 22189239851, 64232010095, 71788717165, 110946199255, 244081638361, 1220408191805]

約数ペア:

[(1, 1220408191805), (5, 244081638361), (11, 110946199255), (17, 71788717165), (19, 64232010095), (55, 22189239851), (85, 14357743433), (95, 12846402019), (187, 6526247015), (209, 5839273645), (323, 3778353535), (935, 1305249403), (1045, 1167854729), (1615, 755670707), (3553, 343486685), (17765, 68697337)]