261624944

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{22679}}^1$

素因数の和:22797

約数の個数: 40

約数和(自身を含む): 584962560

約数和(自身を除く): 323337616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 22679, 45358, 90716, 158753, 181432, 317506, 362864, 635012, 1270024, 2335937, 2540048, 4671874, 9343748, 16351559, 18687496, 32703118, 37374992, 65406236, 130812472, 261624944]

約数ペア:

[(1, 261624944), (2, 130812472), (4, 65406236), (7, 37374992), (8, 32703118), (14, 18687496), (16, 16351559), (28, 9343748), (56, 4671874), (103, 2540048), (112, 2335937), (206, 1270024), (412, 635012), (721, 362864), (824, 317506), (1442, 181432), (1648, 158753), (2884, 90716), (5768, 45358), (11536, 22679)]