1258419071

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{20921}}^1$

素因数の和:21602

約数の個数: 16

約数和(自身を含む): 1551240768

約数和(自身を除く): 292821697

約数列:

[1, 7, 13, 91, 661, 4627, 8593, 20921, 60151, 146447, 271973, 1903811, 13828781, 96801467, 179774153, 1258419071]

約数ペア:

[(1, 1258419071), (7, 179774153), (13, 96801467), (91, 13828781), (661, 1903811), (4627, 271973), (8593, 146447), (20921, 60151)]