28357219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 32219136

約数和(自身を除く): 3861917

約数列:

[1, 11, 31, 137, 341, 607, 1507, 4247, 6677, 18817, 46717, 83159, 206987, 914749, 2577929, 28357219]

約数ペア:

[(1, 28357219), (11, 2577929), (31, 914749), (137, 206987), (341, 83159), (607, 46717), (1507, 18817), (4247, 6677)]