25918659

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 43479072

約数和(自身を除く): 17560413

約数列:

[1, 3, 9, 13, 17, 39, 51, 83, 117, 153, 157, 221, 249, 471, 663, 747, 1079, 1411, 1413, 1989, 2041, 2669, 3237, 4233, 6123, 8007, 9711, 12699, 13031, 18343, 18369, 24021, 34697, 39093, 55029, 104091, 117279, 165087, 169403, 221527, 312273, 508209, 664581, 1524627, 1993743, 2879851, 8639553, 25918659]

約数ペア:

[(1, 25918659), (3, 8639553), (9, 2879851), (13, 1993743), (17, 1524627), (39, 664581), (51, 508209), (83, 312273), (117, 221527), (153, 169403), (157, 165087), (221, 117279), (249, 104091), (471, 55029), (663, 39093), (747, 34697), (1079, 24021), (1411, 18369), (1413, 18343), (1989, 13031), (2041, 12699), (2669, 9711), (3237, 8007), (4233, 6123)]