12928816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 26784000

約数和(自身を除く): 13855184

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 599, 1136, 1198, 1349, 2396, 2698, 4792, 5396, 9584, 10792, 11381, 21584, 22762, 42529, 45524, 85058, 91048, 170116, 182096, 340232, 680464, 808051, 1616102, 3232204, 6464408, 12928816]

約数ペア:

[(1, 12928816), (2, 6464408), (4, 3232204), (8, 1616102), (16, 808051), (19, 680464), (38, 340232), (71, 182096), (76, 170116), (142, 91048), (152, 85058), (284, 45524), (304, 42529), (568, 22762), (599, 21584), (1136, 11381), (1198, 10792), (1349, 9584), (2396, 5396), (2698, 4792)]