1286979424

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:800

約数の個数: 72

約数和(自身を含む): 2706192720

約数和(自身を除く): 1419213296

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 317, 439, 544, 578, 634, 878, 1156, 1268, 1756, 2312, 2536, 3512, 4624, 5072, 5389, 7024, 7463, 9248, 10144, 10778, 14048, 14926, 21556, 29852, 43112, 59704, 86224, 91613, 119408, 126871, 139163, 172448, 183226, 238816, 253742, 278326, 366452, 507484, 556652, 732904, 1014968, 1113304, 1465808, 2029936, 2226608, 2365771, 2931616, 4059872, 4453216, 4731542, 9463084, 18926168, 37852336, 40218107, 75704672, 80436214, 160872428, 321744856, 643489712, 1286979424]

約数ペア:

[(1, 1286979424), (2, 643489712), (4, 321744856), (8, 160872428), (16, 80436214), (17, 75704672), (32, 40218107), (34, 37852336), (68, 18926168), (136, 9463084), (272, 4731542), (289, 4453216), (317, 4059872), (439, 2931616), (544, 2365771), (578, 2226608), (634, 2029936), (878, 1465808), (1156, 1113304), (1268, 1014968), (1756, 732904), (2312, 556652), (2536, 507484), (3512, 366452), (4624, 278326), (5072, 253742), (5389, 238816), (7024, 183226), (7463, 172448), (9248, 139163), (10144, 126871), (10778, 119408), (14048, 91613), (14926, 86224), (21556, 59704), (29852, 43112)]