261755761

素因数分解:

${\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{1303}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 281142400

約数和(自身を除く): 19386639

約数列:

[1, 19, 97, 109, 1303, 1843, 2071, 10573, 24757, 126391, 142027, 200887, 2401429, 2698513, 13776619, 261755761]

約数ペア:

[(1, 261755761), (19, 13776619), (97, 2698513), (109, 2401429), (1303, 200887), (1843, 142027), (2071, 126391), (10573, 24757)]