8912981

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 11874240

約数和(自身を除く): 2961259

約数列:

[1, 7, 11, 17, 77, 119, 121, 187, 619, 847, 1309, 2057, 4333, 6809, 10523, 14399, 47663, 73661, 74899, 115753, 524293, 810271, 1273283, 8912981]

約数ペア:

[(1, 8912981), (7, 1273283), (11, 810271), (17, 524293), (77, 115753), (119, 74899), (121, 73661), (187, 47663), (619, 14399), (847, 10523), (1309, 6809), (2057, 4333)]