1286298

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1858662

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 239, 299, 414, 478, 598, 717, 897, 1434, 1794, 2151, 2691, 3107, 4302, 5382, 5497, 6214, 9321, 10994, 16491, 18642, 27963, 32982, 49473, 55926, 71461, 98946, 142922, 214383, 428766, 643149, 1286298]

約数ペア:

[(1, 1286298), (2, 643149), (3, 428766), (6, 214383), (9, 142922), (13, 98946), (18, 71461), (23, 55926), (26, 49473), (39, 32982), (46, 27963), (69, 18642), (78, 16491), (117, 10994), (138, 9321), (207, 6214), (234, 5497), (239, 5382), (299, 4302), (414, 3107), (478, 2691), (598, 2151), (717, 1794), (897, 1434)]