261640249

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{11987}}^1$

素因数の和:12096

約数の個数: 16

約数和(自身を含む): 298069632

約数和(自身を除く): 36429383

約数列:

[1, 13, 23, 73, 299, 949, 1679, 11987, 21827, 155831, 275701, 875051, 3584113, 11375663, 20126173, 261640249]

約数ペア:

[(1, 261640249), (13, 20126173), (23, 11375663), (73, 3584113), (299, 875051), (949, 275701), (1679, 155831), (11987, 21827)]