26716287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 13200513

約数列:

[1, 3, 13, 39, 43, 89, 129, 179, 267, 537, 559, 1157, 1677, 2327, 3471, 3827, 6981, 7697, 11481, 15931, 23091, 47793, 49751, 100061, 149253, 207103, 300183, 621309, 685033, 2055099, 8905429, 26716287]

約数ペア:

[(1, 26716287), (3, 8905429), (13, 2055099), (39, 685033), (43, 621309), (89, 300183), (129, 207103), (179, 149253), (267, 100061), (537, 49751), (559, 47793), (1157, 23091), (1677, 15931), (2327, 11481), (3471, 7697), (3827, 6981)]