28978914

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{787}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 64849248

約数和(自身を除く): 35870334

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 361, 646, 722, 787, 969, 1083, 1574, 1938, 2166, 2361, 4722, 6137, 12274, 13379, 14953, 18411, 26758, 29906, 36822, 40137, 44859, 80274, 89718, 254201, 284107, 508402, 568214, 762603, 852321, 1525206, 1704642, 4829819, 9659638, 14489457, 28978914]

約数ペア:

[(1, 28978914), (2, 14489457), (3, 9659638), (6, 4829819), (17, 1704642), (19, 1525206), (34, 852321), (38, 762603), (51, 568214), (57, 508402), (102, 284107), (114, 254201), (323, 89718), (361, 80274), (646, 44859), (722, 40137), (787, 36822), (969, 29906), (1083, 26758), (1574, 18411), (1938, 14953), (2166, 13379), (2361, 12274), (4722, 6137)]