28383890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 52907904

約数和(自身を除く): 24524014

約数列:

[1, 2, 5, 10, 41, 82, 107, 205, 214, 410, 535, 647, 1070, 1294, 3235, 4387, 6470, 8774, 21935, 26527, 43870, 53054, 69229, 132635, 138458, 265270, 346145, 692290, 2838389, 5676778, 14191945, 28383890]

約数ペア:

[(1, 28383890), (2, 14191945), (5, 5676778), (10, 2838389), (41, 692290), (82, 346145), (107, 265270), (205, 138458), (214, 132635), (410, 69229), (535, 53054), (647, 43870), (1070, 26527), (1294, 21935), (3235, 8774), (4387, 6470)]