261736787

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{1381}}^1$

素因数の和:1694

約数の個数: 16

約数和(自身を含む): 287898240

約数和(自身を除く): 26161453

約数列:

[1, 13, 61, 239, 793, 1381, 3107, 14579, 17953, 84241, 189527, 330059, 1095133, 4290767, 20133599, 261736787]

約数ペア:

[(1, 261736787), (13, 20133599), (61, 4290767), (239, 1095133), (793, 330059), (1381, 189527), (3107, 84241), (14579, 17953)]