31485275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3221}}^1$

素因数の和:3271

約数の個数: 24

約数和(自身を含む): 43149024

約数和(自身を除く): 11663749

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 3221, 9775, 16105, 54757, 74083, 80525, 273785, 370415, 1259411, 1368925, 1852075, 6297055, 31485275]

約数ペア:

[(1, 31485275), (5, 6297055), (17, 1852075), (23, 1368925), (25, 1259411), (85, 370415), (115, 273785), (391, 80525), (425, 74083), (575, 54757), (1955, 16105), (3221, 9775)]