1396318721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{177943}}^1$

素因数の和:178028

約数の個数: 16

約数和(自身を含む): 1708262400

約数和(自身を除く): 311943679

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 177943, 1245601, 3380917, 10498637, 23666419, 73490459, 199474103, 1396318721]

約数ペア:

[(1, 1396318721), (7, 199474103), (19, 73490459), (59, 23666419), (133, 10498637), (413, 3380917), (1121, 1245601), (7847, 177943)]