80974789

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 103034880

約数和(自身を除く): 22060091

約数列:

[1, 7, 19, 23, 103, 133, 161, 257, 437, 721, 1799, 1957, 2369, 3059, 4883, 5911, 13699, 16583, 26471, 34181, 41377, 45011, 112309, 185297, 315077, 502949, 608833, 786163, 3520643, 4261831, 11567827, 80974789]

約数ペア:

[(1, 80974789), (7, 11567827), (19, 4261831), (23, 3520643), (103, 786163), (133, 608833), (161, 502949), (257, 315077), (437, 185297), (721, 112309), (1799, 45011), (1957, 41377), (2369, 34181), (3059, 26471), (4883, 16583), (5911, 13699)]