256545968

素因数分解:

$2^4\times 7^2\times {\mathrm{337}}^1\times {\mathrm{971}}^1$

素因数の和:1330

約数の個数: 60

約数和(自身を含む): 580523112

約数和(自身を除く): 323977144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 337, 392, 674, 784, 971, 1348, 1942, 2359, 2696, 3884, 4718, 5392, 6797, 7768, 9436, 13594, 15536, 16513, 18872, 27188, 33026, 37744, 47579, 54376, 66052, 95158, 108752, 132104, 190316, 264208, 327227, 380632, 654454, 761264, 1308908, 2290589, 2617816, 4581178, 5235632, 9162356, 16034123, 18324712, 32068246, 36649424, 64136492, 128272984, 256545968]

約数ペア:

[(1, 256545968), (2, 128272984), (4, 64136492), (7, 36649424), (8, 32068246), (14, 18324712), (16, 16034123), (28, 9162356), (49, 5235632), (56, 4581178), (98, 2617816), (112, 2290589), (196, 1308908), (337, 761264), (392, 654454), (674, 380632), (784, 327227), (971, 264208), (1348, 190316), (1942, 132104), (2359, 108752), (2696, 95158), (3884, 66052), (4718, 54376), (5392, 47579), (6797, 37744), (7768, 33026), (9436, 27188), (13594, 18872), (15536, 16513)]