208522075

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 262951920

約数和(自身を除く): 54429845

約数列:

[1, 5, 25, 101, 269, 307, 505, 1345, 1535, 2525, 6725, 7675, 27169, 31007, 82583, 135845, 155035, 412915, 679225, 775175, 2064575, 8340883, 41704415, 208522075]

約数ペア:

[(1, 208522075), (5, 41704415), (25, 8340883), (101, 2064575), (269, 775175), (307, 679225), (505, 412915), (1345, 155035), (1535, 135845), (2525, 82583), (6725, 31007), (7675, 27169)]