81354784

素因数分解:

$2^5\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2029}}^1$

素因数の和:2225

約数の個数: 48

約数和(自身を含む): 184161600

約数和(自身を除く): 102806816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 179, 224, 358, 716, 1253, 1432, 2029, 2506, 2864, 4058, 5012, 5728, 8116, 10024, 14203, 16232, 20048, 28406, 32464, 40096, 56812, 64928, 113624, 227248, 363191, 454496, 726382, 1452764, 2542337, 2905528, 5084674, 5811056, 10169348, 11622112, 20338696, 40677392, 81354784]

約数ペア:

[(1, 81354784), (2, 40677392), (4, 20338696), (7, 11622112), (8, 10169348), (14, 5811056), (16, 5084674), (28, 2905528), (32, 2542337), (56, 1452764), (112, 726382), (179, 454496), (224, 363191), (358, 227248), (716, 113624), (1253, 64928), (1432, 56812), (2029, 40096), (2506, 32464), (2864, 28406), (4058, 20048), (5012, 16232), (5728, 14203), (8116, 10024)]