2581565

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 3705912

約数和(自身を除く): 1124347

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 257, 287, 1285, 1435, 1799, 2009, 8995, 10045, 10537, 12593, 52685, 62965, 73759, 368795, 516313, 2581565]

約数ペア:

[(1, 2581565), (5, 516313), (7, 368795), (35, 73759), (41, 62965), (49, 52685), (205, 12593), (245, 10537), (257, 10045), (287, 8995), (1285, 2009), (1435, 1799)]