71818448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{769}}^1$

素因数の和:1239

約数の個数: 40

約数和(自身を含む): 150381000

約数和(自身を除く): 78562552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 449, 769, 898, 1538, 1796, 3076, 3592, 5837, 6152, 7184, 9997, 11674, 12304, 19994, 23348, 39988, 46696, 79976, 93392, 159952, 345281, 690562, 1381124, 2762248, 4488653, 5524496, 8977306, 17954612, 35909224, 71818448]

約数ペア:

[(1, 71818448), (2, 35909224), (4, 17954612), (8, 8977306), (13, 5524496), (16, 4488653), (26, 2762248), (52, 1381124), (104, 690562), (208, 345281), (449, 159952), (769, 93392), (898, 79976), (1538, 46696), (1796, 39988), (3076, 23348), (3592, 19994), (5837, 12304), (6152, 11674), (7184, 9997)]