256571848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{34747}}^1$

素因数の和:34837

約数の個数: 32

約数和(自身を含む): 525389760

約数和(自身を除く): 268817912

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 34747, 69494, 138988, 277976, 451711, 903422, 1806844, 2467037, 3613688, 4934074, 9868148, 19736296, 32071481, 64142962, 128285924, 256571848]

約数ペア:

[(1, 256571848), (2, 128285924), (4, 64142962), (8, 32071481), (13, 19736296), (26, 9868148), (52, 4934074), (71, 3613688), (104, 2467037), (142, 1806844), (284, 903422), (568, 451711), (923, 277976), (1846, 138988), (3692, 69494), (7384, 34747)]