666064

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 1557440

約数和(自身を除く): 891376

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 313, 532, 626, 1064, 1252, 2128, 2191, 2504, 4382, 5008, 5947, 8764, 11894, 17528, 23788, 35056, 41629, 47576, 83258, 95152, 166516, 333032, 666064]

約数ペア:

[(1, 666064), (2, 333032), (4, 166516), (7, 95152), (8, 83258), (14, 47576), (16, 41629), (19, 35056), (28, 23788), (38, 17528), (56, 11894), (76, 8764), (112, 5947), (133, 5008), (152, 4382), (266, 2504), (304, 2191), (313, 2128), (532, 1252), (626, 1064)]