278846048

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{670303}}^1$

素因数の和:670326

約数の個数: 24

約数和(自身を含む): 591208128

約数和(自身を除く): 312362080

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 670303, 1340606, 2681212, 5362424, 8713939, 10724848, 17427878, 21449696, 34855756, 69711512, 139423024, 278846048]

約数ペア:

[(1, 278846048), (2, 139423024), (4, 69711512), (8, 34855756), (13, 21449696), (16, 17427878), (26, 10724848), (32, 8713939), (52, 5362424), (104, 2681212), (208, 1340606), (416, 670303)]