81012736

素因数分解:

$2^{11}\times 7^1\times {\mathrm{5651}}^1$

素因数の和:5680

約数の個数: 48

約数和(自身を含む): 185159520

約数和(自身を除く): 104146784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 5651, 7168, 11302, 14336, 22604, 39557, 45208, 79114, 90416, 158228, 180832, 316456, 361664, 632912, 723328, 1265824, 1446656, 2531648, 2893312, 5063296, 5786624, 10126592, 11573248, 20253184, 40506368, 81012736]

約数ペア:

[(1, 81012736), (2, 40506368), (4, 20253184), (7, 11573248), (8, 10126592), (14, 5786624), (16, 5063296), (28, 2893312), (32, 2531648), (56, 1446656), (64, 1265824), (112, 723328), (128, 632912), (224, 361664), (256, 316456), (448, 180832), (512, 158228), (896, 90416), (1024, 79114), (1792, 45208), (2048, 39557), (3584, 22604), (5651, 14336), (7168, 11302)]