28307503

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{911}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 33970176

約数和(自身を除く): 5662673

約数列:

[1, 7, 23, 161, 193, 911, 1351, 4439, 6377, 20953, 31073, 146671, 175823, 1230761, 4043929, 28307503]

約数ペア:

[(1, 28307503), (7, 4043929), (23, 1230761), (161, 175823), (193, 146671), (911, 31073), (1351, 20953), (4439, 6377)]