84491984

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{37991}}^1$

素因数の和:38138

約数の個数: 20

約数和(自身を含む): 164885280

約数和(自身を除く): 80393296

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 37991, 75982, 151964, 303928, 607856, 5280749, 10561498, 21122996, 42245992, 84491984]

約数ペア:

[(1, 84491984), (2, 42245992), (4, 21122996), (8, 10561498), (16, 5280749), (139, 607856), (278, 303928), (556, 151964), (1112, 75982), (2224, 37991)]