679744

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 56

約数和(自身を含む): 1564640

約数和(自身を除く): 884896

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 43, 52, 64, 76, 86, 104, 152, 172, 208, 247, 304, 344, 416, 494, 559, 608, 688, 817, 832, 988, 1118, 1216, 1376, 1634, 1976, 2236, 2752, 3268, 3952, 4472, 6536, 7904, 8944, 10621, 13072, 15808, 17888, 21242, 26144, 35776, 42484, 52288, 84968, 169936, 339872, 679744]

約数ペア:

[(1, 679744), (2, 339872), (4, 169936), (8, 84968), (13, 52288), (16, 42484), (19, 35776), (26, 26144), (32, 21242), (38, 17888), (43, 15808), (52, 13072), (64, 10621), (76, 8944), (86, 7904), (104, 6536), (152, 4472), (172, 3952), (208, 3268), (247, 2752), (304, 2236), (344, 1976), (416, 1634), (494, 1376), (559, 1216), (608, 1118), (688, 988), (817, 832)]