400804516

素因数分解:

$2^2\times 7^2\times {\mathrm{2044921}}^1$

素因数の和:2044939

約数の個数: 18

約数和(自身を含む): 815923878

約数和(自身を除く): 415119362

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 2044921, 4089842, 8179684, 14314447, 28628894, 57257788, 100201129, 200402258, 400804516]

約数ペア:

[(1, 400804516), (2, 200402258), (4, 100201129), (7, 57257788), (14, 28628894), (28, 14314447), (49, 8179684), (98, 4089842), (196, 2044921)]