661612913

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1\times {\mathrm{919}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 723340800

約数和(自身を除く): 61727887

約数列:

[1, 13, 79, 701, 919, 1027, 9113, 11947, 55379, 72601, 644219, 719927, 943813, 8374847, 50893301, 661612913]

約数ペア:

[(1, 661612913), (13, 50893301), (79, 8374847), (701, 943813), (919, 719927), (1027, 644219), (9113, 72601), (11947, 55379)]