991705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 32

約数和(自身を含む): 1491840

約数和(自身を除く): 500135

約数列:

[1, 5, 11, 13, 19, 55, 65, 73, 95, 143, 209, 247, 365, 715, 803, 949, 1045, 1235, 1387, 2717, 4015, 4745, 6935, 10439, 13585, 15257, 18031, 52195, 76285, 90155, 198341, 991705]

約数ペア:

[(1, 991705), (5, 198341), (11, 90155), (13, 76285), (19, 52195), (55, 18031), (65, 15257), (73, 13585), (95, 10439), (143, 6935), (209, 4745), (247, 4015), (365, 2717), (715, 1387), (803, 1235), (949, 1045)]