28328734

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 51436800

約数和(自身を除く): 23108066

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 281, 379, 562, 758, 1967, 2653, 3934, 5306, 5339, 7201, 10678, 14402, 37373, 50407, 74746, 100814, 106499, 212998, 745493, 1490986, 2023481, 4046962, 14164367, 28328734]

約数ペア:

[(1, 28328734), (2, 14164367), (7, 4046962), (14, 2023481), (19, 1490986), (38, 745493), (133, 212998), (266, 106499), (281, 100814), (379, 74746), (562, 50407), (758, 37373), (1967, 14402), (2653, 10678), (3934, 7201), (5306, 5339)]