128845535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1423}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 191385600

約数和(自身を除く): 62540065

約数列:

[1, 5, 7, 13, 35, 65, 91, 199, 455, 995, 1393, 1423, 2587, 6965, 7115, 9961, 12935, 18109, 18499, 49805, 90545, 92495, 129493, 283177, 647465, 1415885, 1982239, 3681301, 9911195, 18406505, 25769107, 128845535]

約数ペア:

[(1, 128845535), (5, 25769107), (7, 18406505), (13, 9911195), (35, 3681301), (65, 1982239), (91, 1415885), (199, 647465), (455, 283177), (995, 129493), (1393, 92495), (1423, 90545), (2587, 49805), (6965, 18499), (7115, 18109), (9961, 12935)]