261027595

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{23719}}^1$

素因数の和:23826

約数の個数: 16

約数和(自身を含む): 327905280

約数和(自身を除く): 66877685

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 23719, 118595, 735289, 1684049, 3676445, 8420245, 52205519, 261027595]

約数ペア:

[(1, 261027595), (5, 52205519), (31, 8420245), (71, 3676445), (155, 1684049), (355, 735289), (2201, 118595), (11005, 23719)]