2008992531

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{387313}}^1$

素因数の和:387355

約数の個数: 32

約数和(自身を含む): 3470333440

約数和(自身を除く): 1461340909

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 387313, 1161939, 2711191, 5035069, 7358947, 8133573, 15105207, 22076841, 35245483, 51512629, 95666311, 105736449, 154537887, 286998933, 669664177, 2008992531]

約数ペア:

[(1, 2008992531), (3, 669664177), (7, 286998933), (13, 154537887), (19, 105736449), (21, 95666311), (39, 51512629), (57, 35245483), (91, 22076841), (133, 15105207), (247, 8133573), (273, 7358947), (399, 5035069), (741, 2711191), (1729, 1161939), (5187, 387313)]