27281576

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 34148824

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 107, 116, 157, 203, 214, 232, 314, 406, 428, 628, 749, 812, 856, 1099, 1256, 1498, 1624, 2198, 2996, 3103, 4396, 4553, 5992, 6206, 8792, 9106, 12412, 16799, 18212, 21721, 24824, 31871, 33598, 36424, 43442, 63742, 67196, 86884, 117593, 127484, 134392, 173768, 235186, 254968, 470372, 487171, 940744, 974342, 1948684, 3410197, 3897368, 6820394, 13640788, 27281576]

約数ペア:

[(1, 27281576), (2, 13640788), (4, 6820394), (7, 3897368), (8, 3410197), (14, 1948684), (28, 974342), (29, 940744), (56, 487171), (58, 470372), (107, 254968), (116, 235186), (157, 173768), (203, 134392), (214, 127484), (232, 117593), (314, 86884), (406, 67196), (428, 63742), (628, 43442), (749, 36424), (812, 33598), (856, 31871), (1099, 24824), (1256, 21721), (1498, 18212), (1624, 16799), (2198, 12412), (2996, 9106), (3103, 8792), (4396, 6206), (4553, 5992)]