68289725

素因数分解:

$5^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1231}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 97160448

約数和(自身を除く): 28870723

約数列:

[1, 5, 7, 25, 35, 175, 317, 1231, 1585, 2219, 6155, 7925, 8617, 11095, 30775, 43085, 55475, 215425, 390227, 1951135, 2731589, 9755675, 13657945, 68289725]

約数ペア:

[(1, 68289725), (5, 13657945), (7, 9755675), (25, 2731589), (35, 1951135), (175, 390227), (317, 215425), (1231, 55475), (1585, 43085), (2219, 30775), (6155, 11095), (7925, 8617)]