81342042

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 180558720

約数和(自身を除く): 99216678

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 87, 102, 107, 174, 214, 257, 321, 493, 514, 642, 771, 986, 1479, 1542, 1819, 2958, 3103, 3638, 4369, 5457, 6206, 7453, 8738, 9309, 10914, 13107, 14906, 18618, 22359, 26214, 27499, 44718, 52751, 54998, 82497, 105502, 126701, 158253, 164994, 253402, 316506, 380103, 467483, 760206, 797471, 934966, 1402449, 1594942, 2392413, 2804898, 4784826, 13557007, 27114014, 40671021, 81342042]

約数ペア:

[(1, 81342042), (2, 40671021), (3, 27114014), (6, 13557007), (17, 4784826), (29, 2804898), (34, 2392413), (51, 1594942), (58, 1402449), (87, 934966), (102, 797471), (107, 760206), (174, 467483), (214, 380103), (257, 316506), (321, 253402), (493, 164994), (514, 158253), (642, 126701), (771, 105502), (986, 82497), (1479, 54998), (1542, 52751), (1819, 44718), (2958, 27499), (3103, 26214), (3638, 22359), (4369, 18618), (5457, 14906), (6206, 13107), (7453, 10914), (8738, 9309)]