129168910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4993}}^1$

素因数の和:5212

約数の個数: 32

約数和(自身を含む): 251697600

約数和(自身を除く): 122528690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 4993, 5174, 9986, 12935, 24965, 25870, 49930, 64909, 129818, 324545, 649090, 993607, 1987214, 4968035, 9936070, 12916891, 25833782, 64584455, 129168910]

約数ペア:

[(1, 129168910), (2, 64584455), (5, 25833782), (10, 12916891), (13, 9936070), (26, 4968035), (65, 1987214), (130, 993607), (199, 649090), (398, 324545), (995, 129818), (1990, 64909), (2587, 49930), (4993, 25870), (5174, 24965), (9986, 12935)]