781356

素因数分解:

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

素因数の和:198

約数の個数: 48

約数和(自身を含む): 2016000

約数和(自身を除く): 1234644

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 149, 228, 276, 298, 437, 447, 596, 874, 894, 1311, 1748, 1788, 2622, 2831, 3427, 5244, 5662, 6854, 8493, 10281, 11324, 13708, 16986, 20562, 33972, 41124, 65113, 130226, 195339, 260452, 390678, 781356]

約数ペア:

[(1, 781356), (2, 390678), (3, 260452), (4, 195339), (6, 130226), (12, 65113), (19, 41124), (23, 33972), (38, 20562), (46, 16986), (57, 13708), (69, 11324), (76, 10281), (92, 8493), (114, 6854), (138, 5662), (149, 5244), (228, 3427), (276, 2831), (298, 2622), (437, 1788), (447, 1748), (596, 1311), (874, 894)]