138214675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{811}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 182144592

約数和(自身を除く): 43929917

約数列:

[1, 5, 17, 25, 85, 401, 425, 811, 2005, 4055, 6817, 10025, 13787, 20275, 34085, 68935, 170425, 325211, 344675, 1626055, 5528587, 8130275, 27642935, 138214675]

約数ペア:

[(1, 138214675), (5, 27642935), (17, 8130275), (25, 5528587), (85, 1626055), (401, 344675), (425, 325211), (811, 170425), (2005, 68935), (4055, 34085), (6817, 20275), (10025, 13787)]