390678

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 864000

約数和(自身を除く): 473322

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 149, 298, 437, 447, 874, 894, 1311, 2622, 2831, 3427, 5662, 6854, 8493, 10281, 16986, 20562, 65113, 130226, 195339, 390678]

約数ペア:

[(1, 390678), (2, 195339), (3, 130226), (6, 65113), (19, 20562), (23, 16986), (38, 10281), (46, 8493), (57, 6854), (69, 5662), (114, 3427), (138, 2831), (149, 2622), (298, 1311), (437, 894), (447, 874)]