1408479568

素因数分解:

$2^4\times {\mathrm{4003}}^1\times {\mathrm{21991}}^1$

素因数の和:26002

約数の個数: 20

約数和(自身を含む): 2729735008

約数和(自身を除く): 1321255440

約数列:

[1, 2, 4, 8, 16, 4003, 8006, 16012, 21991, 32024, 43982, 64048, 87964, 175928, 351856, 88029973, 176059946, 352119892, 704239784, 1408479568]

約数ペア:

[(1, 1408479568), (2, 704239784), (4, 352119892), (8, 176059946), (16, 88029973), (4003, 351856), (8006, 175928), (16012, 87964), (21991, 64048), (32024, 43982)]