28620251

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 33835200

約数和(自身を除く): 5214949

約数列:

[1, 11, 19, 59, 121, 209, 211, 649, 1121, 2299, 2321, 4009, 7139, 12331, 12449, 25531, 44099, 135641, 136939, 236531, 485089, 1506329, 2601841, 28620251]

約数ペア:

[(1, 28620251), (11, 2601841), (19, 1506329), (59, 485089), (121, 236531), (209, 136939), (211, 135641), (649, 44099), (1121, 25531), (2299, 12449), (2321, 12331), (4009, 7139)]