390053774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21701}}^1$

素因数の和:21776

約数の個数: 32

約数和(自身を含む): 687519360

約数和(自身を除く): 297465586

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 418, 473, 817, 946, 1634, 8987, 17974, 21701, 43402, 238711, 412319, 477422, 824638, 933143, 1866286, 4535509, 9071018, 10264573, 17729717, 20529146, 35459434, 195026887, 390053774]

約数ペア:

[(1, 390053774), (2, 195026887), (11, 35459434), (19, 20529146), (22, 17729717), (38, 10264573), (43, 9071018), (86, 4535509), (209, 1866286), (418, 933143), (473, 824638), (817, 477422), (946, 412319), (1634, 238711), (8987, 43402), (17974, 21701)]