1261897091

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{155809}}^1$

素因数の和:155918

約数の個数: 16

約数和(自身を含む): 1570564800

約数和(自身を除く): 308667709

約数列:

[1, 7, 13, 89, 91, 623, 1157, 8099, 155809, 1090663, 2025517, 13867001, 14178619, 97069007, 180271013, 1261897091]

約数ペア:

[(1, 1261897091), (7, 180271013), (13, 97069007), (89, 14178619), (91, 13867001), (623, 2025517), (1157, 1090663), (8099, 155809)]