28043411

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 32524800

約数和(自身を除く): 4481389

約数列:

[1, 11, 19, 109, 209, 1199, 1231, 2071, 13541, 22781, 23389, 134179, 257279, 1475969, 2549401, 28043411]

約数ペア:

[(1, 28043411), (11, 2549401), (19, 1475969), (109, 257279), (209, 134179), (1199, 23389), (1231, 22781), (2071, 13541)]