28077770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1901}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 58064256

約数和(自身を除く): 29986486

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 1901, 2110, 2954, 3802, 7385, 9505, 13307, 14770, 19010, 26614, 66535, 133070, 401111, 802222, 2005555, 2807777, 4011110, 5615554, 14038885, 28077770]

約数ペア:

[(1, 28077770), (2, 14038885), (5, 5615554), (7, 4011110), (10, 2807777), (14, 2005555), (35, 802222), (70, 401111), (211, 133070), (422, 66535), (1055, 26614), (1477, 19010), (1901, 14770), (2110, 13307), (2954, 9505), (3802, 7385)]