1978556706

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{8269}}^1$

素因数の和:8501

約数の個数: 80

約数和(自身を含む): 5091408960

約数和(自身を除く): 3112852254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 211, 378, 422, 567, 633, 1134, 1266, 1477, 1899, 2954, 3798, 4431, 5697, 8269, 8862, 11394, 13293, 16538, 17091, 24807, 26586, 34182, 39879, 49614, 57883, 74421, 79758, 115766, 119637, 148842, 173649, 223263, 239274, 347298, 446526, 520947, 669789, 1041894, 1339578, 1562841, 1744759, 3125682, 3489518, 4688523, 5234277, 9377046, 10468554, 12213313, 15702831, 24426626, 31405662, 36639939, 47108493, 73279878, 94216986, 109919817, 141325479, 219839634, 282650958, 329759451, 659518902, 989278353, 1978556706]

約数ペア:

[(1, 1978556706), (2, 989278353), (3, 659518902), (6, 329759451), (7, 282650958), (9, 219839634), (14, 141325479), (18, 109919817), (21, 94216986), (27, 73279878), (42, 47108493), (54, 36639939), (63, 31405662), (81, 24426626), (126, 15702831), (162, 12213313), (189, 10468554), (211, 9377046), (378, 5234277), (422, 4688523), (567, 3489518), (633, 3125682), (1134, 1744759), (1266, 1562841), (1477, 1339578), (1899, 1041894), (2954, 669789), (3798, 520947), (4431, 446526), (5697, 347298), (8269, 239274), (8862, 223263), (11394, 173649), (13293, 148842), (16538, 119637), (17091, 115766), (24807, 79758), (26586, 74421), (34182, 57883), (39879, 49614)]