219645985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{607}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 300303360

約数和(自身を除く): 80657375

約数列:

[1, 5, 13, 19, 65, 95, 247, 293, 607, 1235, 1465, 3035, 3809, 5567, 7891, 11533, 19045, 27835, 39455, 57665, 72371, 149929, 177851, 361855, 749645, 889255, 2312063, 3379169, 11560315, 16895845, 43929197, 219645985]

約数ペア:

[(1, 219645985), (5, 43929197), (13, 16895845), (19, 11560315), (65, 3379169), (95, 2312063), (247, 889255), (293, 749645), (607, 361855), (1235, 177851), (1465, 149929), (3035, 72371), (3809, 57665), (5567, 39455), (7891, 27835), (11533, 19045)]