2178496768

素因数分解:

$2^8\times 7^1\times {\mathrm{1215679}}^1$

素因数の和:1215702

約数の個数: 36

約数和(自身を含む): 4969699840

約数和(自身を除く): 2791203072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 1215679, 2431358, 4862716, 8509753, 9725432, 17019506, 19450864, 34039012, 38901728, 68078024, 77803456, 136156048, 155606912, 272312096, 311213824, 544624192, 1089248384, 2178496768]

約数ペア:

[(1, 2178496768), (2, 1089248384), (4, 544624192), (7, 311213824), (8, 272312096), (14, 155606912), (16, 136156048), (28, 77803456), (32, 68078024), (56, 38901728), (64, 34039012), (112, 19450864), (128, 17019506), (224, 9725432), (256, 8509753), (448, 4862716), (896, 2431358), (1792, 1215679)]