28995295

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 12937505

約数列:

[1, 5, 7, 23, 35, 115, 161, 181, 199, 805, 905, 995, 1267, 1393, 4163, 4577, 6335, 6965, 20815, 22885, 29141, 32039, 36019, 145705, 160195, 180095, 252133, 828437, 1260665, 4142185, 5799059, 28995295]

約数ペア:

[(1, 28995295), (5, 5799059), (7, 4142185), (23, 1260665), (35, 828437), (115, 252133), (161, 180095), (181, 160195), (199, 145705), (805, 36019), (905, 32039), (995, 29141), (1267, 22885), (1393, 20815), (4163, 6965), (4577, 6335)]