398647546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 709171200

約数和(自身を除く): 310523654

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 107, 199, 214, 253, 398, 407, 506, 814, 851, 1177, 1702, 2189, 2354, 2461, 3959, 4378, 4577, 4922, 7363, 7918, 9154, 9361, 14726, 18722, 21293, 27071, 42586, 43549, 50347, 54142, 80993, 87098, 91057, 100694, 161986, 169349, 182114, 234223, 338698, 468446, 489739, 787841, 979478, 1001627, 1575682, 1862839, 2003254, 3725678, 5387129, 8666251, 10774258, 17332502, 18120343, 36240686, 199323773, 398647546]

約数ペア:

[(1, 398647546), (2, 199323773), (11, 36240686), (22, 18120343), (23, 17332502), (37, 10774258), (46, 8666251), (74, 5387129), (107, 3725678), (199, 2003254), (214, 1862839), (253, 1575682), (398, 1001627), (407, 979478), (506, 787841), (814, 489739), (851, 468446), (1177, 338698), (1702, 234223), (2189, 182114), (2354, 169349), (2461, 161986), (3959, 100694), (4378, 91057), (4577, 87098), (4922, 80993), (7363, 54142), (7918, 50347), (9154, 43549), (9361, 42586), (14726, 27071), (18722, 21293)]