16697825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 22197240

約数和(自身を除く): 5499415

約数列:

[1, 5, 17, 25, 85, 101, 389, 425, 505, 1717, 1945, 2525, 6613, 8585, 9725, 33065, 39289, 42925, 165325, 196445, 667913, 982225, 3339565, 16697825]

約数ペア:

[(1, 16697825), (5, 3339565), (17, 982225), (25, 667913), (85, 196445), (101, 165325), (389, 42925), (425, 39289), (505, 33065), (1717, 9725), (1945, 8585), (2525, 6613)]