669984025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{4517}}^1$

素因数の和:4893

約数の個数: 24

約数和(自身を含む): 882365400

約数和(自身を除く): 212381375

約数列:

[1, 5, 17, 25, 85, 349, 425, 1745, 4517, 5933, 8725, 22585, 29665, 76789, 112925, 148325, 383945, 1576433, 1919725, 7882165, 26799361, 39410825, 133996805, 669984025]

約数ペア:

[(1, 669984025), (5, 133996805), (17, 39410825), (25, 26799361), (85, 7882165), (349, 1919725), (425, 1576433), (1745, 383945), (4517, 148325), (5933, 112925), (8725, 76789), (22585, 29665)]