42256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:166

約数の個数: 20

約数和(自身を含む): 86800

約数和(自身を除く): 44544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 1112, 2224, 2641, 5282, 10564, 21128, 42256]

約数ペア:

[(1, 42256), (2, 21128), (4, 10564), (8, 5282), (16, 2641), (19, 2224), (38, 1112), (76, 556), (139, 304), (152, 278)]