78436271956

素因数分解:

$2^2\times 7^2\times {\mathrm{1321}}^1\times {\mathrm{302941}}^1$

素因数の和:304280

約数の個数: 36

約数和(自身を含む): 159795240276

約数和(自身を除く): 81358968320

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1321, 2642, 5284, 9247, 18494, 36988, 64729, 129458, 258916, 302941, 605882, 1211764, 2120587, 4241174, 8482348, 14844109, 29688218, 59376436, 400185061, 800370122, 1600740244, 2801295427, 5602590854, 11205181708, 19609067989, 39218135978, 78436271956]

約数ペア:

[(1, 78436271956), (2, 39218135978), (4, 19609067989), (7, 11205181708), (14, 5602590854), (28, 2801295427), (49, 1600740244), (98, 800370122), (196, 400185061), (1321, 59376436), (2642, 29688218), (5284, 14844109), (9247, 8482348), (18494, 4241174), (36988, 2120587), (64729, 1211764), (129458, 605882), (258916, 302941)]