261386568

素因数分解:

$2^3\times 3^3\times {\mathrm{1210123}}^1$

素因数の和:1210138

約数の個数: 32

約数和(自身を含む): 726074400

約数和(自身を除く): 464687832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 1210123, 2420246, 3630369, 4840492, 7260738, 9680984, 10891107, 14521476, 21782214, 29042952, 32673321, 43564428, 65346642, 87128856, 130693284, 261386568]

約数ペア:

[(1, 261386568), (2, 130693284), (3, 87128856), (4, 65346642), (6, 43564428), (8, 32673321), (9, 29042952), (12, 21782214), (18, 14521476), (24, 10891107), (27, 9680984), (36, 7260738), (54, 4840492), (72, 3630369), (108, 2420246), (216, 1210123)]