128565836

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{44579}}^1$

素因数の和:44693

約数の個数: 24

約数和(自身を含む): 259633920

約数和(自身を除く): 131068084

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 44579, 89158, 178316, 312053, 624106, 1248212, 4591637, 9183274, 18366548, 32141459, 64282918, 128565836]

約数ペア:

[(1, 128565836), (2, 64282918), (4, 32141459), (7, 18366548), (14, 9183274), (28, 4591637), (103, 1248212), (206, 624106), (412, 312053), (721, 178316), (1442, 89158), (2884, 44579)]