56721973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 75248640

約数和(自身を除く): 18526667

約数列:

[1, 7, 11, 19, 77, 133, 137, 209, 283, 959, 1463, 1507, 1981, 2603, 3113, 5377, 10549, 18221, 21791, 28633, 37639, 38771, 59147, 200431, 271397, 414029, 426481, 736649, 2985367, 5156543, 8103139, 56721973]

約数ペア:

[(1, 56721973), (7, 8103139), (11, 5156543), (19, 2985367), (77, 736649), (133, 426481), (137, 414029), (209, 271397), (283, 200431), (959, 59147), (1463, 38771), (1507, 37639), (1981, 28633), (2603, 21791), (3113, 18221), (5377, 10549)]