260240015

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 362672640

約数和(自身を除く): 102432625

約数列:

[1, 5, 7, 35, 131, 211, 269, 655, 917, 1055, 1345, 1477, 1883, 4585, 7385, 9415, 27641, 35239, 56759, 138205, 176195, 193487, 246673, 283795, 397313, 967435, 1233365, 1986565, 7435429, 37177145, 52048003, 260240015]

約数ペア:

[(1, 260240015), (5, 52048003), (7, 37177145), (35, 7435429), (131, 1986565), (211, 1233365), (269, 967435), (655, 397313), (917, 283795), (1055, 246673), (1345, 193487), (1477, 176195), (1883, 138205), (4585, 56759), (7385, 35239), (9415, 27641)]