26780451987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{23599}}^1$

素因数の和:24127

約数の個数: 32

約数和(自身を含む): 38545408000

約数和(自身を除く): 11764956013

約数列:

[1, 3, 19, 43, 57, 129, 463, 817, 1389, 2451, 8797, 19909, 23599, 26391, 59727, 70797, 378271, 448381, 1014757, 1134813, 1345143, 3044271, 10926337, 19280383, 32779011, 57841149, 207600403, 469832491, 622801209, 1409497473, 8926817329, 26780451987]

約数ペア:

[(1, 26780451987), (3, 8926817329), (19, 1409497473), (43, 622801209), (57, 469832491), (129, 207600403), (463, 57841149), (817, 32779011), (1389, 19280383), (2451, 10926337), (8797, 3044271), (19909, 1345143), (23599, 1134813), (26391, 1014757), (59727, 448381), (70797, 378271)]