667873921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{613}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 829342080

約数和(自身を除く): 161468159

約数列:

[1, 11, 13, 19, 143, 209, 247, 401, 613, 2717, 4411, 5213, 6743, 7619, 7969, 11647, 57343, 83809, 87659, 99047, 128117, 151411, 245813, 1089517, 1665521, 2703943, 3195569, 4670447, 35151259, 51374917, 60715811, 667873921]

約数ペア:

[(1, 667873921), (11, 60715811), (13, 51374917), (19, 35151259), (143, 4670447), (209, 3195569), (247, 2703943), (401, 1665521), (613, 1089517), (2717, 245813), (4411, 151411), (5213, 128117), (6743, 99047), (7619, 87659), (7969, 83809), (11647, 57343)]