253371878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{93911}}^1$

素因数の和:94003

約数の個数: 16

約数和(自身を含む): 405699840

約数和(自身を除く): 152327962

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 93911, 187822, 1784309, 3568618, 6667681, 13335362, 126685939, 253371878]

約数ペア:

[(1, 253371878), (2, 126685939), (19, 13335362), (38, 6667681), (71, 3568618), (142, 1784309), (1349, 187822), (2698, 93911)]