140115745

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{51991}}^1$

素因数の和:52021

約数の個数: 24

約数和(自身を含む): 213375168

約数和(自身を除く): 73259423

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 51991, 259955, 363937, 571901, 1819685, 2547559, 2859505, 4003307, 12737795, 20016535, 28023149, 140115745]

約数ペア:

[(1, 140115745), (5, 28023149), (7, 20016535), (11, 12737795), (35, 4003307), (49, 2859505), (55, 2547559), (77, 1819685), (245, 571901), (385, 363937), (539, 259955), (2695, 51991)]