858485884

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{19421}}^1$

素因数の和:19725

約数の個数: 24

約数和(自身を含む): 1543349808

約数和(自身を除く): 684863924

約数列:

[1, 2, 4, 43, 86, 172, 257, 514, 1028, 11051, 19421, 22102, 38842, 44204, 77684, 835103, 1670206, 3340412, 4991197, 9982394, 19964788, 214621471, 429242942, 858485884]

約数ペア:

[(1, 858485884), (2, 429242942), (4, 214621471), (43, 19964788), (86, 9982394), (172, 4991197), (257, 3340412), (514, 1670206), (1028, 835103), (11051, 77684), (19421, 44204), (22102, 38842)]