261873144

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{279779}}^1$

素因数の和:279804

約数の個数: 48

約数和(自身を含む): 763799400

約数和(自身を除く): 501926256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 279779, 559558, 839337, 1119116, 1678674, 2238232, 2518011, 3357348, 3637127, 5036022, 6714696, 7274254, 10072044, 10911381, 14548508, 20144088, 21822762, 29097016, 32734143, 43645524, 65468286, 87291048, 130936572, 261873144]

約数ペア:

[(1, 261873144), (2, 130936572), (3, 87291048), (4, 65468286), (6, 43645524), (8, 32734143), (9, 29097016), (12, 21822762), (13, 20144088), (18, 14548508), (24, 10911381), (26, 10072044), (36, 7274254), (39, 6714696), (52, 5036022), (72, 3637127), (78, 3357348), (104, 2518011), (117, 2238232), (156, 1678674), (234, 1119116), (312, 839337), (468, 559558), (936, 279779)]