201538115

素因数分解:

$5^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 251556192

約数和(自身を除く): 50018077

約数列:

[1, 5, 47, 71, 235, 257, 355, 1285, 2209, 3337, 11045, 12079, 16685, 18247, 60395, 91235, 156839, 567713, 784195, 857609, 2838565, 4288045, 40307623, 201538115]

約数ペア:

[(1, 201538115), (5, 40307623), (47, 4288045), (71, 2838565), (235, 857609), (257, 784195), (355, 567713), (1285, 156839), (2209, 91235), (3337, 60395), (11045, 18247), (12079, 16685)]