81800396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{63313}}^1$

素因数の和:63353

約数の個数: 24

約数和(自身を含む): 159551280

約数和(自身を除く): 77750884

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 63313, 126626, 253252, 1076321, 1202947, 2152642, 2405894, 4305284, 4811788, 20450099, 40900198, 81800396]

約数ペア:

[(1, 81800396), (2, 40900198), (4, 20450099), (17, 4811788), (19, 4305284), (34, 2405894), (38, 2152642), (68, 1202947), (76, 1076321), (323, 253252), (646, 126626), (1292, 63313)]