31737745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 11354255

約数列:

[1, 5, 13, 29, 65, 113, 145, 149, 377, 565, 745, 1469, 1885, 1937, 3277, 4321, 7345, 9685, 16385, 16837, 21605, 42601, 56173, 84185, 213005, 218881, 280865, 488273, 1094405, 2441365, 6347549, 31737745]

約数ペア:

[(1, 31737745), (5, 6347549), (13, 2441365), (29, 1094405), (65, 488273), (113, 280865), (145, 218881), (149, 213005), (377, 84185), (565, 56173), (745, 42601), (1469, 21605), (1885, 16837), (1937, 16385), (3277, 9685), (4321, 7345)]