339872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 776160

約数和(自身を除く): 436288

約数列:

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

約数ペア:

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