28011025

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2389}}^1$

素因数の和:2473

約数の個数: 24

約数和(自身を含む): 40304960

約数和(自身を除く): 12293935

約数列:

[1, 5, 7, 25, 35, 67, 175, 335, 469, 1675, 2345, 2389, 11725, 11945, 16723, 59725, 83615, 160063, 418075, 800315, 1120441, 4001575, 5602205, 28011025]

約数ペア:

[(1, 28011025), (5, 5602205), (7, 4001575), (25, 1120441), (35, 800315), (67, 418075), (175, 160063), (335, 83615), (469, 59725), (1675, 16723), (2345, 11945), (2389, 11725)]