12781568

素因数分解:

$2^{11}\times {\mathrm{79}}^2$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 25884495

約数和(自身を除く): 13102927

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 512, 632, 1024, 1264, 2048, 2528, 5056, 6241, 10112, 12482, 20224, 24964, 40448, 49928, 80896, 99856, 161792, 199712, 399424, 798848, 1597696, 3195392, 6390784, 12781568]

約数ペア:

[(1, 12781568), (2, 6390784), (4, 3195392), (8, 1597696), (16, 798848), (32, 399424), (64, 199712), (79, 161792), (128, 99856), (158, 80896), (256, 49928), (316, 40448), (512, 24964), (632, 20224), (1024, 12482), (1264, 10112), (2048, 6241), (2528, 5056)]