28199919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 14884881

約数列:

[1, 3, 11, 29, 33, 79, 87, 237, 319, 373, 869, 957, 1119, 2291, 2607, 4103, 6873, 10817, 12309, 25201, 29467, 32451, 75603, 88401, 118987, 324137, 356961, 854543, 972411, 2563629, 9399973, 28199919]

約数ペア:

[(1, 28199919), (3, 9399973), (11, 2563629), (29, 972411), (33, 854543), (79, 356961), (87, 324137), (237, 118987), (319, 88401), (373, 75603), (869, 32451), (957, 29467), (1119, 25201), (2291, 12309), (2607, 10817), (4103, 6873)]