1239978

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 2664000

約数和(自身を除く): 1424022

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 146, 149, 219, 298, 438, 447, 894, 1387, 2774, 2831, 4161, 5662, 8322, 8493, 10877, 16986, 21754, 32631, 65262, 206663, 413326, 619989, 1239978]

約数ペア:

[(1, 1239978), (2, 619989), (3, 413326), (6, 206663), (19, 65262), (38, 32631), (57, 21754), (73, 16986), (114, 10877), (146, 8493), (149, 8322), (219, 5662), (298, 4161), (438, 2831), (447, 2774), (894, 1387)]