1640451891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1\times {\mathrm{37657}}^1$

素因数の和:38790

約数の個数: 16

約数和(自身を含む): 2357692064

約数和(自身を除く): 717240173

約数列:

[1, 3, 13, 39, 1117, 3351, 14521, 37657, 43563, 112971, 489541, 1468623, 42062869, 126188607, 546817297, 1640451891]

約数ペア:

[(1, 1640451891), (3, 546817297), (13, 126188607), (39, 42062869), (1117, 1468623), (3351, 489541), (14521, 112971), (37657, 43563)]