78858725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 36

約数和(自身を含む): 108847200

約数和(自身を除く): 29988475

約数列:

[1, 5, 11, 25, 55, 121, 131, 199, 275, 605, 655, 995, 1441, 2189, 3025, 3275, 4975, 7205, 10945, 15851, 24079, 26069, 36025, 54725, 79255, 120395, 130345, 286759, 396275, 601975, 651725, 1433795, 3154349, 7168975, 15771745, 78858725]

約数ペア:

[(1, 78858725), (5, 15771745), (11, 7168975), (25, 3154349), (55, 1433795), (121, 651725), (131, 601975), (199, 396275), (275, 286759), (605, 130345), (655, 120395), (995, 79255), (1441, 54725), (2189, 36025), (3025, 26069), (3275, 24079), (4975, 15851), (7205, 10945)]