9975790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3943}}^1$

素因数の和:3984

約数の個数: 32

約数和(自身を含む): 20445696

約数和(自身を除く): 10469906

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 3943, 7886, 19715, 39430, 43373, 86746, 90689, 181378, 216865, 433730, 453445, 906890, 997579, 1995158, 4987895, 9975790]

約数ペア:

[(1, 9975790), (2, 4987895), (5, 1995158), (10, 997579), (11, 906890), (22, 453445), (23, 433730), (46, 216865), (55, 181378), (110, 90689), (115, 86746), (230, 43373), (253, 39430), (506, 19715), (1265, 7886), (2530, 3943)]