223688975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3229}}^1$

素因数の和:3419

約数の個数: 24

約数和(自身を含む): 295583760

約数和(自身を除く): 71894785

約数列:

[1, 5, 17, 25, 85, 163, 425, 815, 2771, 3229, 4075, 13855, 16145, 54893, 69275, 80725, 274465, 526327, 1372325, 2631635, 8947559, 13158175, 44737795, 223688975]

約数ペア:

[(1, 223688975), (5, 44737795), (17, 13158175), (25, 8947559), (85, 2631635), (163, 1372325), (425, 526327), (815, 274465), (2771, 80725), (3229, 69275), (4075, 54893), (13855, 16145)]