81206272

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11329}}^1$

素因数の和:11356

約数の個数: 44

約数和(自身を含む): 185540080

約数和(自身を除く): 104333808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 11329, 22658, 45316, 79303, 90632, 158606, 181264, 317212, 362528, 634424, 725056, 1268848, 1450112, 2537696, 2900224, 5075392, 5800448, 10150784, 11600896, 20301568, 40603136, 81206272]

約数ペア:

[(1, 81206272), (2, 40603136), (4, 20301568), (7, 11600896), (8, 10150784), (14, 5800448), (16, 5075392), (28, 2900224), (32, 2537696), (56, 1450112), (64, 1268848), (112, 725056), (128, 634424), (224, 362528), (256, 317212), (448, 181264), (512, 158606), (896, 90632), (1024, 79303), (1792, 45316), (3584, 22658), (7168, 11329)]