408045872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1961759}}^1$

素因数の和:1961780

約数の個数: 20

約数和(自身を含む): 851403840

約数和(自身を除く): 443357968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1961759, 3923518, 7847036, 15694072, 25502867, 31388144, 51005734, 102011468, 204022936, 408045872]

約数ペア:

[(1, 408045872), (2, 204022936), (4, 102011468), (8, 51005734), (13, 31388144), (16, 25502867), (26, 15694072), (52, 7847036), (104, 3923518), (208, 1961759)]