208032495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 376358400

約数和(自身を除く): 168325905

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 109, 129, 165, 215, 269, 327, 473, 545, 645, 807, 1199, 1345, 1419, 1635, 2365, 2959, 3597, 4035, 4687, 5995, 7095, 8877, 11567, 14061, 14795, 17985, 23435, 29321, 34701, 44385, 51557, 57835, 70305, 87963, 127237, 146605, 154671, 173505, 257785, 322531, 381711, 439815, 636185, 773355, 967593, 1260803, 1612655, 1908555, 3782409, 4837965, 6304015, 13868833, 18912045, 41606499, 69344165, 208032495]

約数ペア:

[(1, 208032495), (3, 69344165), (5, 41606499), (11, 18912045), (15, 13868833), (33, 6304015), (43, 4837965), (55, 3782409), (109, 1908555), (129, 1612655), (165, 1260803), (215, 967593), (269, 773355), (327, 636185), (473, 439815), (545, 381711), (645, 322531), (807, 257785), (1199, 173505), (1345, 154671), (1419, 146605), (1635, 127237), (2365, 87963), (2959, 70305), (3597, 57835), (4035, 51557), (4687, 44385), (5995, 34701), (7095, 29321), (8877, 23435), (11567, 17985), (14061, 14795)]