256375405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 374440752

約数和(自身を除く): 118065347

約数列:

[1, 5, 11, 13, 37, 55, 65, 121, 143, 185, 407, 481, 605, 715, 881, 1573, 2035, 2405, 4405, 4477, 5291, 7865, 9691, 11453, 22385, 26455, 32597, 48455, 57265, 58201, 106601, 125983, 162985, 291005, 358567, 423761, 533005, 629915, 1385813, 1792835, 2118805, 3944237, 4661371, 6929065, 19721185, 23306855, 51275081, 256375405]

約数ペア:

[(1, 256375405), (5, 51275081), (11, 23306855), (13, 19721185), (37, 6929065), (55, 4661371), (65, 3944237), (121, 2118805), (143, 1792835), (185, 1385813), (407, 629915), (481, 533005), (605, 423761), (715, 358567), (881, 291005), (1573, 162985), (2035, 125983), (2405, 106601), (4405, 58201), (4477, 57265), (5291, 48455), (7865, 32597), (9691, 26455), (11453, 22385)]