28259385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 57784320

約数和(自身を除く): 29524935

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 55, 77, 105, 129, 165, 215, 231, 301, 385, 473, 569, 645, 903, 1155, 1419, 1505, 1707, 2365, 2845, 3311, 3983, 4515, 6259, 7095, 8535, 9933, 11949, 16555, 18777, 19915, 24467, 31295, 43813, 49665, 59745, 73401, 93885, 122335, 131439, 171269, 219065, 269137, 367005, 513807, 657195, 807411, 856345, 1345685, 1883959, 2569035, 4037055, 5651877, 9419795, 28259385]

約数ペア:

[(1, 28259385), (3, 9419795), (5, 5651877), (7, 4037055), (11, 2569035), (15, 1883959), (21, 1345685), (33, 856345), (35, 807411), (43, 657195), (55, 513807), (77, 367005), (105, 269137), (129, 219065), (165, 171269), (215, 131439), (231, 122335), (301, 93885), (385, 73401), (473, 59745), (569, 49665), (645, 43813), (903, 31295), (1155, 24467), (1419, 19915), (1505, 18777), (1707, 16555), (2365, 11949), (2845, 9933), (3311, 8535), (3983, 7095), (4515, 6259)]