157208185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 205079040

約数和(自身を除く): 47870855

約数列:

[1, 5, 19, 47, 95, 137, 235, 257, 685, 893, 1285, 2603, 4465, 4883, 6439, 12079, 13015, 24415, 32195, 35209, 60395, 122341, 176045, 229501, 611705, 668971, 1147505, 1654823, 3344855, 8274115, 31441637, 157208185]

約数ペア:

[(1, 157208185), (5, 31441637), (19, 8274115), (47, 3344855), (95, 1654823), (137, 1147505), (235, 668971), (257, 611705), (685, 229501), (893, 176045), (1285, 122341), (2603, 60395), (4465, 35209), (4883, 32195), (6439, 24415), (12079, 13015)]