1278031391

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{238039}}^1$

素因数の和:238118

約数の個数: 16

約数和(自身を含む): 1599628800

約数和(自身を除く): 321597409

約数列:

[1, 7, 13, 59, 91, 413, 767, 5369, 238039, 1666273, 3094507, 14044301, 21661549, 98310107, 182575913, 1278031391]

約数ペア:

[(1, 1278031391), (7, 182575913), (13, 98310107), (59, 21661549), (91, 14044301), (413, 3094507), (767, 1666273), (5369, 238039)]