78981968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{379721}}^1$

素因数の和:379742

約数の個数: 20

約数和(自身を含む): 164799348

約数和(自身を除く): 85817380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 379721, 759442, 1518884, 3037768, 4936373, 6075536, 9872746, 19745492, 39490984, 78981968]

約数ペア:

[(1, 78981968), (2, 39490984), (4, 19745492), (8, 9872746), (13, 6075536), (16, 4936373), (26, 3037768), (52, 1518884), (104, 759442), (208, 379721)]