1277312765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 1643016960

約数和(自身を除く): 365704195

約数列:

[1, 5, 17, 85, 211, 229, 311, 1055, 1145, 1555, 3587, 3893, 5287, 17935, 19465, 26435, 48319, 65621, 71219, 241595, 328105, 356095, 821423, 1115557, 1210723, 4107115, 5577785, 6053615, 15027209, 75136045, 255462553, 1277312765]

約数ペア:

[(1, 1277312765), (5, 255462553), (17, 75136045), (85, 15027209), (211, 6053615), (229, 5577785), (311, 4107115), (1055, 1210723), (1145, 1115557), (1555, 821423), (3587, 356095), (3893, 328105), (5287, 241595), (17935, 71219), (19465, 65621), (26435, 48319)]