128509975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1493}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 174511152

約数和(自身を除く): 46001177

約数列:

[1, 5, 11, 25, 55, 275, 313, 1493, 1565, 3443, 7465, 7825, 16423, 17215, 37325, 82115, 86075, 410575, 467309, 2336545, 5140399, 11682725, 25701995, 128509975]

約数ペア:

[(1, 128509975), (5, 25701995), (11, 11682725), (25, 5140399), (55, 2336545), (275, 467309), (313, 410575), (1493, 86075), (1565, 82115), (3443, 37325), (7465, 17215), (7825, 16423)]