2670745

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 4071168

約数和(自身を除く): 1400423

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 991, 2695, 4955, 6937, 10901, 34685, 48559, 54505, 76307, 242795, 381535, 534149, 2670745]

約数ペア:

[(1, 2670745), (5, 534149), (7, 381535), (11, 242795), (35, 76307), (49, 54505), (55, 48559), (77, 34685), (245, 10901), (385, 6937), (539, 4955), (991, 2695)]