88781147

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1987}}^1$

素因数の和:2498

約数の個数: 16

約数和(自身を含む): 109546752

約数和(自身を除く): 20765605

約数列:

[1, 7, 13, 91, 491, 1987, 3437, 6383, 13909, 25831, 44681, 180817, 975617, 6829319, 12683021, 88781147]

約数ペア:

[(1, 88781147), (7, 12683021), (13, 6829319), (91, 975617), (491, 180817), (1987, 44681), (3437, 25831), (6383, 13909)]