31420205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 42024960

約数和(自身を除く): 10604755

約数列:

[1, 5, 19, 31, 47, 95, 155, 227, 235, 589, 893, 1135, 1457, 2945, 4313, 4465, 7037, 7285, 10669, 21565, 27683, 35185, 53345, 133703, 138415, 202711, 330739, 668515, 1013555, 1653695, 6284041, 31420205]

約数ペア:

[(1, 31420205), (5, 6284041), (19, 1653695), (31, 1013555), (47, 668515), (95, 330739), (155, 202711), (227, 138415), (235, 133703), (589, 53345), (893, 35185), (1135, 27683), (1457, 21565), (2945, 10669), (4313, 7285), (4465, 7037)]